113-669: Maple Cross is a village in Hertfordshire , England, which up until the Second World War consisted of an inn, a blacksmith's shop and a few cottages. Today there are around 800 postwar council houses. Some of these have been sold into private ownership. The area is close by junction 17 of the M25 motorway , which makes up the western boundary of the village. It lies on the western fringe of Rickmansworth , about 5 miles (8.0 km) west of Watford and 6 miles north of Uxbridge . Maple Cross
226-789: A " burh " or fort in Hertford, which was to curb Norse activities in the area. His father, King Alfred the Great , established the River Lea as a boundary between his kingdom and that of the Norse lord Guthrum , with the north and eastern parts of the county being within the Danelaw . There is little evidence however of Norse placenames within this region, and many of the Anglo-Saxon features remained intact to this day. The county however suffered from renewed Norse raids in
339-403: A bridleway bridge. The road was closed completely for two other occasions that year, with a final two closures scheduled for 2025. The M25 is one of Europe's busiest motorways. In 2003, a maximum of 196,000 vehicles a day were recorded just south of Heathrow, between junctions 13 and 14. The stretch between the nearby junctions 14 and 15 consistently records the highest daily traffic counts on
452-496: A by-product of this process being methane gas which is used for on-site electrical power generation. The main product, digested sludge, is "cake" in industrial centrifuges before disposal to land as fertiliser. Sludge from the plant was burnt to generate "green" electricity for the Millennium Dome . The sewage plant became famous when it was used as a storage facility for the toxic waste perfluorooctane sulfonate (PFOS) after it
565-540: A concentric series of anti-tank defences and pillboxes designed to slow down a potential German invasion of the capital during World War II . This was marked as the D Ring on Abercombie's plans. Following the war, 11 separate county councils told the Ministry of Transport that an orbital route was "first priority" for London. Plans stalled because the route was planned to pass through several urban areas, which attracted criticism. The original D Ring through northwest London
678-428: A convenient place to stop and rest and possible gather for May festivals. The ancient route known as Old Shire Lane runs in a north south direction at the summit of the rising high ground half a mile to the west. It is at least of Saxon age as it designated the boundary between the kingdoms of Wessex and Mercia . Today it forms the boundary between the counties of Hertfordshire and Buckinghamshire . Parts of it take
791-583: A dedicated control centre. There is an extensive network of closed-circuit television (CCTV) on the motorway so incidents can be easily identified and located. A number of 4×4 vehicles patrol the motorway, attempting to keep traffic moving where possible, and assisting the local police. They can act as a rolling roadblock when there are obstacles on the road. When completed, the M25 only had street lighting for 65 miles (105 km) of its 117-mile (188 km) length. Originally, low pressure sodium (SOX) lighting
904-419: A designated industrial and business area east of the village, attracted by its easy access to the motorway network. The UK headquarters of construction company Skanska is based here. The corporate functions of the combined Cadbury and Trebor Bassett confectionery business moved to the area in 2000. Maple Cross is bounded by the M25 motorway and a spur from junction 17, designated as Maple Cross, runs to
1017-447: A distributed network of traffic and weather sensors, speed cameras and variable-speed signs , that control traffic speeds with little human supervision. It has improved traffic flow slightly, reducing the amount of start-stop driving. After Labour won the 1997 election , the road budget was cut from £6 billion to £1.4 billion. However, the DfT announced new proposals to widen
1130-574: A formal objection to the widening scheme, and it was cancelled shortly afterwards. In 1994, the Standing Advisory Committee on Trunk Road Appraisal published a report saying that "the M25 experience most probably does ... serve as an example of a case where roads generate traffic" and that further improvements to the motorway were counter-productive. In April 1995, the Transport Minister Brian Mawhinney announced that
1243-425: A historic centre, with many Tudor and Stuart era buildings interspersed amongst more contemporary structures. Hertfordshire's eastern regions are predominantly rural and arable, intermixed with villages and small to medium-sized towns. Royston, Buntingford and Bishop's Stortford , along with Ware and the county town of Hertford are major settlements in this regard. The physical geography of eastern Hertfordshire
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#17328451855721356-539: A main span of 450 metres (1,480 ft). Passage across the bridge or through the tunnels is subject to a charge between 6 am and 10 pm, its level depending on the kind of vehicle. The road is not under motorway regulations so that other traffic can cross the Thames east of the Woolwich Ferry ; the only crossing further to the east is a passenger ferry between Gravesend , Kent , and Tilbury , Essex . At junction 5,
1469-668: A mix of post-WWII new towns and older/more historical locales. The City of St. Albans is an example of a historical settlement, as its cathedral and abbey date to the Norman period, and there are ruins from the Roman settlement of Verulamium nearby the current city centre. Stevenage is a mix of post-WWII new town planning amidst its prior incarnation as a smaller town. The Old Town in Stevenage represents this historic core and has many shops and buildings reflecting its pre-WWII heritage. Hitchin also has
1582-571: A new Lower Thames Crossing to add capacity to the Dartford Crossing, or create a new road and crossing linking to the M2 and M20 motorways. Plans for that stalled, and were cancelled in 2013 by the Mayor of London, Boris Johnson , being replaced by a proposed Gallions Reach Crossing . Initially seen as a straight ferry replacement for the Woolwich Ferry , it was later mooted as a bridge or tunnel. By 2019,
1695-684: A part of the Grand Union Canal was built in 1798 alongside the River Colne and remains in use today. The planned High Speed 2 London to Birmingham high speed rail link will pass half a mile to the south of the village on an embankment. Maple Cross is the location of the Thames Water Maple Lodge Sewage Treatment Works which was opened in 1950. The giant plant, with its sister site at Blackbirds Farm in Aldenham serve
1808-488: A public inquiry was launched in 1974. The Department of Transport sent out 15,000 questionnaires about the preferred route, with 5,000 replies. A route was fixed in 1978, with objections delaying the start of construction in 1982. The southern section of what became the M25 through Surrey and Kent was first conceived to be an east–west road south of London to relieve the A25 , and running parallel to it, with its eastern end following
1921-589: A waterway, the New River , supplying drinking water to London. As London grew, Hertfordshire became conveniently close to the English capital; much of the area was owned by the nobility and aristocracy , this patronage helped to boost the local economy. However, the greatest boost to Hertfordshire came during the Industrial Revolution , after which the population rose dramatically. In 1903, Letchworth became
2034-527: Is accompanied by a canal. Hertfordshire's undeveloped land is mainly agricultural and much of the county is covered by the Metropolitan green belt . Since 1903, Letchworth has served as the prototype garden city while Stevenage became the first town to expand under post-war Britain 's New Towns Act 1946 ( 9 & 10 Geo. 6 . c. 68). Services have become the largest sector of the county's economy. The county's landmarks span many centuries, ranging from
2147-502: Is also the UK base of multi-nationals Hilton Worldwide , TotalEnergies , TK Maxx , Costco , JJ Kavanagh and Sons , Vinci and Beko . The 2006 World Golf Championship and the 2013 Bilderberg Conference , took place at The Grove hotel . Warner Bros. owns and runs its main UK base since the 2000s, Warner Studios, in Leavesden, Watford. Rickmansworth hosts Skanska . Most of the county
2260-811: Is evidence of human life in Hertfordshire from the Mesolithic period . It was first farmed during the Neolithic period and permanent habitation appeared at the beginning of the Bronze Age . This was followed by tribes settling in the area during the Iron Age . Following the Roman conquest of Britain in AD 43 , the Catuvellauni tribe accepted peace and adapted to the Roman life; resulting in
2373-585: Is less elevated than the far west, but with lower rising hills and prominent rivers such as the Stort . This river rises in Essex and terminates via a confluence with the Lea near to Ware. Apart from the Lea and Stort, the River Colne is the major watercourse in the county's west. This runs near Watford and Radlett, and has a complex system/drainage area running south into both Greater London and Buckinghamshire. An unofficial status,
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#17328451855722486-560: Is served by BBC London & ITV London , however Stevenage and North Hertfordshire is served by BBC East & ITV Anglia . Some northwestern parts of the county around Tring can also receive BBC South and ITV Meridian . Local radio for the county is provided by BBC Three Counties Radio , BBC Radio Cambridgeshire (covering Royston ), Heart Hertfordshire , Greatest Hits Radio Bucks, Beds and Herts (formerly Mix 96), Mix 92.6 (formerly Radio Verulam St. Albans) and Community Radio Dacorum (Hemel Hempstead). Local newspapers in
2599-577: Is supplied to London from Ware , using the New River built by Hugh Myddleton and opened in 1613. Local rivers, although small, supported developing industries such as paper production at Nash Mills . Hertfordshire affords habitat for a variety of flora and fauna. A bird once common in the shire is the hooded crow , the old name of which is the eponymous name of the regional newspaper, the Royston Crow published in Royston . A product, now largely defunct,
2712-468: Is the bedrock of much of the county provides an aquifer that feeds streams and is also exploited to provide water supplies for much of the county and beyond. Chalk has also been used as a building material and, once fired, the resultant lime was spread on agricultural land to improve fertility. The mining of chalk since the early 18th century has left unrecorded underground galleries that occasionally collapse unexpectedly and endanger buildings. Fresh water
2825-569: Is the only fixed vehicle crossing of the Thames east of Greater London. It is also the busiest crossing in the United Kingdom, and consequently puts pressure on M25 traffic. Users of the crossing do not pay a toll, but rather a congestion charge. The signs at the crossing are the same as those deployed over the London congestion charge zone. In 2009, the Department for Transport published options for
2938-532: Is thought to be a contraction of Maypole Cross and the village was once a place where maypole dancing took place. The nearby village of Mill End is on record as having complained to the lord of the manor about the noise of the dancing in 1588. The village stands on the western edge of the River Colne flood plain with the river a third of a mile to the east. It sits on the A412 Denham Way which itself follows
3051-607: The Harry Potter series was filmed here and the 1995 James Bond film GoldenEye . On 17 October 2000, the Hatfield rail crash killed four people with over 70 injured. The crash exposed the shortcomings of Railtrack , and resulted in speed restrictions and major track replacement. On 10 May 2002, seven people died in the fourth of the Potters Bar rail accidents ; the train was travelling at high speed when it derailed and flipped into
3164-613: The Chalfont Viaduct railway bridge, completed in 1906, which carries the Chiltern Main Line . Red kites can often be seen overhead to the north of this, up to junction 21. The northern section of the M25 passes close to All Saints Pastoral Centre near London Colney , Waltham Abbey and Copped Hall . This section also features two cut-and-cover tunnels , including the Bell Common Tunnel . The north-eastern section of
3277-652: The Chilterns , clayland buffer zone countryside of Braughing and the Hadhams across to ancient hornbeam coppices west of the upper Lea valley. The county has sweeping panoramas of chalklands near Royston , Baldock , Hexton and Tring . Large parts of the county are used for agriculture. Some quarrying of sand and gravel occurs around St Albans. In the past, clay has supplied local brick-making and still does in Bovingdon , just south-west of Hemel Hempstead. The chalk that
3390-533: The Conservatives won in every constituency that the motorway passed through, in particular gaining Thurrock from Labour . Coach tours were organised for a trip around the new road. However, it quickly became apparent that the M25 suffered from chronic congestion. A report in The Economist said it "had taken 70 years to plan [the motorway], 12 to build it and just one to find it was inadequate". Thatcher rebuked
3503-477: The ICF Canoe Slalom World Championships twice. First in 2015 , and most recently in 2023 , where Britain topped the medal table with 5 golds. M25 motorway The M25 or London Orbital Motorway is a major road encircling most of Greater London . The 117-mile-long (188 km) motorway is one of the most important roads in the UK and one of the busiest. Margaret Thatcher opened
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3616-534: The London County Council announced the London Ringways plan, to consist of four concentric motorway rings around London. The following year, the transport minister Barbara Castle announced that the D Ring would be essential to build. The component parts of what became the M25 came from Ringway 3 / M16 motorway in the north and Ringway 4 in the south. The Ringways plan was controversial owing to
3729-519: The M40 motorway to the 1970s North Orbital Road construction (junctions 16 to 17) opened in January 1985. The route under the Chalfont Viaduct meant the motorway was restricted to a width of three lanes in each direction. The Prime Minister , Margaret Thatcher , officially opened the M25 on 29 October 1986, with a ceremony in the section between junctions 22 to 23 ( London Colney and South Mimms ). To avoid
3842-675: The North Downs close to several historic buildings such as Chevening , Titsey Place , Hever Castle and Chartwell . The interchange with the M23 motorway near Reigate is a four-level stack ; one of only a few examples in Britain. Past this, the M25 runs close to the Surrey Hills National Landscape . To the west, the M25 passes close to the edge of Heathrow Airport, and within sight of Windsor Castle . North of this, it goes under
3955-563: The Six Hills in Stevenage built by local inhabitants during the Roman period, to Leavesden Film Studios . The volume of intact medieval and Tudor buildings surpasses London, in places in well-preserved conservation areas , especially in St Albans , which includes remains of the Roman town of Verulamium . In 913, Hertfordshire was the area assigned to a fortress constructed at Hertford under
4068-819: The United Nations Economic Commission for Europe . The E15 , which runs from Inverness to Algeciras , follows the M25 and A282 clockwise from the A1(M) at junction 23 to the M20 at junction 3; while the E30 Cork to Omsk route runs from the M4 at junction 15, clockwise to the A12 at junction 28. The United Kingdom is formally part of the E-roads network but, unlike in other countries, these routes are not marked on any road signs. The M25
4181-406: The 1944 Greater London Plan , Patrick Abercrombie proposed an orbital motorway around London. This evolved into the London Ringways project in the early 1960s, and by 1966, planning had started on two projects, Ringway 3 to the north and Ringway 4 to the south. By the time the first sections opened in 1975, it was decided the ringways would be combined into a single orbital motorway. The M25
4294-558: The BBC. In 1996, Kenneth Noye murdered Stephen Cameron in a road rage incident while stopped at traffic lights on an M25 junction in Kent. He was convicted in 2000 and sentenced to life imprisonment. He was released in June 2019. In November 2014, during overnight roadworks, a 16-foot (4.9 m) piece of road surface near junction 9 at Leatherhead failed to set correctly due to rain. This created
4407-576: The British strategic road network, with the average flow in 2018 being 219,492 vehicles (lower than the record peak measured in 2014 of 262,842). Traffic on the M25 is monitored by Connect Plus Services on behalf of National Highways. The company operates a series of transportable CCTV cameras that can be easily moved into congestion hotspots, allowing operators to have a clear view of the motorway and so assess what might be done to tackle particular areas of congestion. Prior to its liquidation in 2018, Carillion
4520-475: The Heathrow link roads would be scrapped. In 1995, a contract was awarded to widen the section between junctions 8 and 10 from six to eight lanes at a cost of £93.4 million, and a Motorway Incident Detection and Automatic Signalling (MIDAS) system was introduced from junction 10 to junction 15 in 1995, at a cost of £13.5M. That was extended to junction 16 in 2002, at a cost of £11.7M. The system consists of
4633-496: The M25 and A3 around junction 10 in November 2022. The project is intended to limit congestion at the junction and allow traffic to proceed more safely. However, these plans caused concerns about the amount of woodland that would be required. In March 2024, National Highways announced the first all-day closure of the M25 in its operational history. The motorway was closed between junctions 10 and 11 from 15–18 March in order to remove
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4746-547: The M25 are Clacket Lane between junctions 5 and 6 (in the south-east) and Cobham between junctions 9 and 10 (in the south-west). Those directly accessible from it are South Mimms off junction 23 (to the north of London) and Thurrock off junction 31 (to the east of London). As is common with other motorways, the M25 is equipped with emergency ("SOS") telephones. These connect to two National Highways operated control centres at Godstone (for junctions 1 to 15 inclusive) and South Mimms (for 16–31). The Dartford Crossing has
4859-626: The M25 as the boundary in requiring a proportion of television programmes to be made outside the London area; it states a requirement of "a suitable proportion of the programmes made in the United Kingdom" to be made "in the United Kingdom outside the M25 area", defined in Section 362 as "the area the outer boundary of which is represented by the London Orbital Motorway (M25)". Sections of the M25 form part of two long-distance E-roads , designated by
4972-480: The M25 from six to eight lanes, between junctions 5 and 6, and 16 to 30, as part of a Design, Build, Finance and Operate (DBFO) project. A shortlist of contractors was announced in October 2006 for the project, which was expected to cost £4.5 billion. Contractors were asked to resubmit their bids in January 2008, and in June 2009 the new transport minister indicated that the cost had risen to £5.5 billion and
5085-624: The M25 had the potential to attract office and retail development along its route, negating the proposed traffic improvements and making Central London a less desirable place to work. None of the motorway was prevented from being built by objections at the public inquiries. However, as a consequence of the backlash against the Ringways, and criticism at the public inquiries, the motorway was built with environmental concerns in mind. New features included additional earth mounds, cuttings and fences that reduced noise, and over two million trees and shrubs to hide
5198-492: The North Downs Action Group (DANDAG) argued that the link was unnecessary, it would damage an Area of Outstanding Natural Beauty and it would be primarily used by local traffic as a bypass for the old A21 road between Farnborough and Sevenoaks. After a length inquiry process, chaired by George Dobry QC , the transport minister Kenneth Clarke announced the motorway would be built as proposed. The section from
5311-588: The Old Uxbridge Road along the dry land above the floodplain on the river's west bank. To the west the land rises gently towards the dip slope of the Chiltern Hills, although there are some local steep inclines where dry valleys in the chalk make deep incisions. Two routes to the west join the Uxbridge Road at this point, one to the village of Chalfont St Peter , the other to Chalfont St Giles . They made it
5424-805: The River Thames. The far west of the county is the most hilly, with the Chiltern Hills surrounding Tring , Berkhamsted and the Ashridge estate. This Area of Outstanding Natural Beauty runs from near Hitchin in the north to Berkshire and Oxfordshire. Many of the county's major settlements are in the central, northern and southern areas, such as Watford, Hemel Hempstead, Kings Langley , Rickmansworth , St. Albans , Harpenden , Redbourn , Radlett , Borehamwood , Potters Bar , Stevenage, Hatfield , Welwyn and Welwyn Garden City, Hitchin , Letchworth and Baldock. These are all small to medium-sized locations, featuring
5537-573: The UK Cereal Partners factory and in pharmaceuticals it hosts Roche UK's headquarters (subsidiary of the Swiss Hoffman-La Roche ). GlaxoSmithKline has plants in Ware and Stevenage . Hemel Hempstead has large premises of Dixons Carphone . The National Pharmacy Association (NPA), the trade association for UK pharmacies, is based in St Albans . Kings Langley has the plant-office of Pure , making DAB digital radios . Watford hosts national companies such as J D Wetherspoon , Camelot Group , Bathstore , and Caversham Finance (BrightHouse). It
5650-489: The UK, without holding a public inquiry . Friends of the Earth claimed the real reason for the widening was to support Terminal 5. The decision was again deferred. A ten-lane scheme was announced in 1998, and the £148 million 'M25 Jct 12 to 15 Widening' contract was awarded to Balfour Beatty in 2003. The scheme was completed in 2005, with dual-five lanes between junctions 12 and 14 and dual-six lanes from junctions 14 to 15. In 2007, junction 25 (A10/Waltham Cross)
5763-417: The agreed Highways Agency 2013–14 business plan. In June 1992, the Department for Transport (DfT) announced a proposal to widen the section close to Heathrow Airport to fourteen lanes by way of three additional link roads. That attracted fierce opposition from anti-motorway protesters who were critical of the Newbury Bypass and other schemes, but also from local authorities. Surrey County Council led
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#17328451855725876-422: The air when one of the carriages slid along the platform where it came to rest. In early December 2005, there were explosions at the Hertfordshire Oil Storage Terminal at Buncefield on the edge of Hemel Hempstead. Hertfordshire is located in the south-eastern part of England and is the county immediately north of London. It is officially part of the East of England region, a mainly statistical unit . To
5989-416: The benefit to cost ratio had dropped considerably. In January 2009 the government announced that plans to widen the sections from junctions 5 to 7 and 23 to 27 had been 'scrapped' and that hard shoulder running would be introduced instead. However, widening to four lanes was reinstated in the 2013–14 Highways Agency Business Plan. In 2009, a £6.2 billion M25 DBFO private finance initiative contract
6102-414: The capital had been suggested in 1913, and was re-examined as a motorway route in Sir Charles Bressey's and Sir Edwin Lutyens' The Highway Development Survey, 1937 . Sir Patrick Abercrombie's County of London Plan, 1943 and Greater London Plan, 1944 proposed a series of five roads encircling the capital. The northern sections of the M25 follow a similar route to the Outer London Defence Ring ,
6215-408: The city of St Albans (75,540). For local government purposes Hertfordshire is a non-metropolitan county with ten districts beneath Hertfordshire County Council . Elevations are higher in the north and west, reaching more than 800 feet (240 m) in the Chilterns near Tring . The county centres on the headwaters and upper valleys of the rivers Lea and the Colne ; both flow south and each
6328-400: The clockwise carriageway of the M25 is routed off the main north–south dual carriageway onto the main east–west dual carriageway with the main north–south carriageway becoming the A21 . In the opposite direction, to the east of the point where the M25 diverges from the main east–west carriageway, that carriageway becomes the M26 motorway . From here to junction 8, the M25 follows the edge of
6441-409: The county are: Waltham Cross , Broxbourne , is the location of the Lee Valley White Water Centre , a purpose-built venue opened in 2010 for the 2012 Summer Olympics . The site consists of two white water courses; one 300m Grade IV "Olympic" run; and one 160m Grade III "legacy" run. During the games the center was the venue for the canoe and kayak slalom events . Lee Valley has since hosted
6554-450: The destruction required for the inner two ring roads, ( Ringway 1 and Ringway 2 ). Parts of Ringway 1 were constructed (including the West Cross Route ), despite stiff opposition, before the overall plan was postponed in February 1972. In April 1973, the Greater London Council elections resulted in a Labour Party victory; the party then formally announced the cancellation of the Ringways running inside Greater London. This did not affect
6667-416: The development of several new towns, including Verulamium (St Albans) where in c. 293 the first recorded British martyrdom is traditionally believed to have taken place. Saint Alban , a Romano-British soldier, took the place of a Christian priest and was beheaded on Holywell Hill. His martyr's cross of a yellow saltire on a blue field is reflected in the flag and coat of arms of Hertfordshire as
6780-460: The east and west. Junctions 1A–5 are in Kent , 6–13 are in Surrey , 14 and a small part of 15 are in Hillingdon , Greater London, 15–16 are in Buckinghamshire , 17–24 are in Hertfordshire , 25 is in Enfield , Greater London and 26–31 are in Essex . Policing of the road is carried out by an integrated group made up of the Metropolitan , Thames Valley , Essex , Kent , Hertfordshire and Surrey forces. Primary destinations signed ahead on
6893-468: The east is Essex , to the west is Buckinghamshire and to the north are Bedfordshire and Cambridgeshire . A significant minority of the population across all districts commute to Central London . The county's boundaries were roughly fixed by the Counties (Detached Parts) Act 1844 which eliminated exclaves ; amended when, in 1965 under the London Government Act 1963 , East Barnet Urban District and Barnet Urban District were abolished, their area
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#17328451855727006-407: The edge of the Colne flood plain provided an excellent site for the cultivation of watercress which requires ponds fed by fresh flowing water. William Bradbery , the watercress pioneer moved his business here in 1820. One road in Maple Cross was named Bradbery, by the Three Rivers District Council in the 1960s to commemorate him Today some multi-national businesses have offices in Maple Cross in
7119-403: The final section in 1986, making the M25 the longest ring road in Europe upon opening. The Dartford Crossing completes the orbital route but is not classed as motorway; it is classed as a trunk road and designated as the A282 . In some cases, including notable legal contexts such as the Communications Act 2003 , the M25 is used as a de facto alternative boundary for Greater London. In
7232-423: The first three Star Wars movies ( IV , V , & VI ). The studios generally used the name of Elstree . American director Stanley Kubrick not only used to shoot in those studios but also lived in the area until his death. Big Brother UK and Who Wants to Be a Millionaire? have been filmed there. EastEnders is filmed at Elstree. Hertfordshire has seen development at Warner Bros. Studios, Leavesden ;
7345-413: The form of a hollow way from centuries of use embedding the path into the earth. Until the Second World War it was little more than a hamlet with some cottages for agricultural workers and two businesses providing services to travellers on the road, an inn, and a farriers . After WW2 it was intentionally developed as a dormitory for workers in the nearby towns and at the new sewage treatment plant by
7458-493: The junctions 27 (M11) to 30 (A13) section to dual four lanes also started in July 2009. The junction 27 to 28 (A12) section was completed in July 2010, and the junction 28 to 29 (A127) in June 2011, and finally the junction 29 to 30 (A13) section opened in May 2012. Work to introduce smart motorway technology and permanent hard shoulder running on two sections of the M25 began in 2013. The first section between junctions 5 (A21/M26) and 7 (M23) started construction in May 2013 with
7571-424: The late 10th to early 11th centuries, as armies led by Danish kings Swein Forkbeard and Cnut the Great harried the country as part of their attempts to undermine and overthrow English king Athelred the Unready . A century later, William of Normandy received the surrender of some senior English Lords and Clergy at Berkhamsted , before entering London unopposed and being crowned at Westminster . Hertfordshire
7684-400: The later Plantagenet period, St. Albans Abbey was an initial drafting place of what was to become Magna Carta . And in the later Wars of the Roses, St. Albans was the scene of two major battles between the Lancastrians and the Yorkists. In Tudor times, Hatfield House was often frequented by Queen Elizabeth I. Stuart King James I used the locale for hunting and facilitated the construction of
7797-539: The lowest population density (290 people per km ) and Watford the highest (4210 per km ). Compared with neighbouring Bedfordshire and Buckinghamshire, Hertfordshire lacks large towns or cities on the scale of Luton or Milton Keynes , whose populations exceed 200,000, but its overall population (1.2 million in 2021) is greater than those of the two aforementioned counties. The River Lea near Harpenden runs through Wheathampstead , Welwyn Garden City, Hertford, Ware, and Broxbourne before reaching Cheshunt and ultimately
7910-405: The main road from Rickmansworth to Uxbridge and is a listed building with parts dating back to at least the 1700s. In 2010 the pub was sold by its brewery to property developers who intended to demolish it and build new homes on its site and car park. Strong local opposition prevented demolition and the original historic building still stands, converted into dwellings with a small close on the rest of
8023-430: The motorway include the Dartford Crossing , Sevenoaks , Gatwick Airport , Heathrow Airport , Watford , Stansted Airport and Brentwood . To the east of London the two ends of the M25 are joined to complete a loop by the non-motorway A282 Dartford Crossing of the River Thames between Thurrock and Dartford . The crossing consists of twin two-lane tunnels and the four-lane QE2 (Queen Elizabeth II) bridge , with
8136-712: The motorway passes close to North Ockendon , the only settlement of Greater London situated outside the M25. It then runs close to the Rainham Marshes Nature Reserve before reaching the northern end of the Dartford Crossing. In 2004, following an opinion poll, the London Assembly proposed aligning the Greater London boundary with the M25. "Inside the M25" and "outside/beyond the M25" are colloquial, looser alternatives to "Greater London" sometimes used in haulage. The Communications Act 2003 explicitly uses
8249-511: The motorway, designed for a maximum of 88,000 vehicles per day, was carrying 200,000. At that time, the M25 carried 15% of UK motorway traffic and there were plans to add six lanes to the section from junctions 12 to 15, as well as widening the rest of the motorway to four lanes. In parts, particularly the western third, that plan went ahead. Again, however, plans to widen further sections to eight lanes (four each way) were scaled back in 2009 in response to rising costs. The plans were reinstated in
8362-462: The negative response, calling it "carping and criticism". Traffic levels quickly exceeded the maximum design capacity. Two months before it opened, the government admitted that the three-lane section between junctions 11 and 13 was inadequate and that it would have to be widened to four. In 1990, the Secretary of State for Transport announced plans to widen the whole of the M25 to four lanes. By 1993
8475-472: The news that a flock of South American rhea birds had been sighted on the estate, with police issuing warnings to the public. Hertfordshire Hertfordshire ( / ˈ h ɑːr t f ər d ʃ ɪər / HART -fərd-sheer or /- ʃ ər / -shər ; often abbreviated Herts ) is a ceremonial county in the East of England and one of the home counties . It borders Bedfordshire to
8588-485: The north and west of the county, forming the Chiltern Hills and the younger Palaeocene , Reading Beds and Eocene , London Clay which occupy the remaining southern part. The eastern half of the county was covered by glaciers during the Ice Age and has a superficial layer of glacial boulder clays . Much of the west – and much more in the east – have richly diverse countryside. These range from beech woods of
8701-434: The north-west, Cambridgeshire to the north-east, Essex to the east, Greater London to the south and Buckinghamshire to the west. The largest settlement is Watford , and the county town is Hertford . The county has an area of 634 square miles (1,640 km ) and had a population of 1,198,800 at the 2021 census . After Watford (131,325), the largest settlements are Hemel Hempstead (95,985), Stevenage (94,470) and
8814-735: The plans had changed, with the Docklands Light Railway to be extended to Thamesmead instead. On 11 December 1984, nine people died and ten were injured in a multiple-vehicle collision between junctions 5 and 6. Twenty-six vehicles were involved when dense fog descended suddenly. On 16 December 1988, several vehicles were stolen and used as getaway for acts of murder and robbery, using the M25 to quickly move between targets. The M25 Three , including Raphael Rowe , were tried and sentenced to life imprisonment in 1990. Their convictions were overturned in 2000 and Rowe, who studied journalism while in prison, became an investigative journalist for
8927-486: The pub's site. The area was agricultural right up to the Second World War and arable and livestock farming continue today on the surrounding land. The area east of The Cross and close to the river was used for gravel extraction facilitated by the Grand Union canal which made transport of bulk material relatively easy. The river also gave rise to several mills from the 16th century onwards. A line of clear water springs at
9040-475: The public inquiries, several junctions merely served local roads where office and retail developments were built, attracting even more traffic onto the M25 than it was designed for. The congestion has led to traffic management schemes that include variable speed limit and smart motorway . Since opening, the M25 has been progressively widened, particularly near Heathrow Airport . The M25 almost completely encircles Greater London and passes briefly through it, in
9153-625: The purple star-shaped flower with yellow stamens, the Pasqueflower is among endemic county flowers . The rocks of Hertfordshire belong to the great shallow syncline known as the London Basin . The beds dip in a south-easterly direction towards the syncline's lowest point roughly under the River Thames . The most important formations are the Cretaceous Chalk , exposed as the high ground in
9266-465: The river. The village has no churches, historically it lacked the population to support one and its residents were part of the parish of St Thomas's West Hyde a mile to the south. There are two historic buildings, The Cross Inn which dates back to the seventeenth century and a barn just to east of the Maple Cross road junction of a similar age. The public house called The Cross stands on Denham Way,
9379-468: The road, draped with large banners reading "Not Epping Likely". As a consequence of this, the Bell Common Tunnel that runs in this area is twice as long as originally proposed. The most controversial section of the M25 was that between Swanley and Sevenoaks (junctions 3 to 5) in Kent across the Darenth Valley , Badgers Mount and the North Downs . An 1,800-member group named Defend Darenth Valley and
9492-518: The route of what is now the M26 . It was originally proposed as an all-purpose route, but was upgraded to motorway standard in 1966. It was the first section of the route announced as M25 from the beginning. The first section from Godstone to Reigate (junctions 6 to 8) was first planned in 1966 and opened in February 1976. A section of Ringway 3 south of the river between Dartford and Swanley (junctions 1 to 3)
9605-521: The routes that would become the M25, because they were planned as central government projects from the outset. There was no individual public inquiry into the M25 as a whole. Each section was presented to planning authorities in its own right and was individually justified, with 39 separate public inquiries relating to sections of the route. The need for the ministry to negotiate with local councils meant that more junctions with local traffic were built than originally proposed. A report in 1981 showed that
9718-870: The rule of Edward the Elder . Hertford is derived from the Anglo-Saxon heort ford, meaning deer crossing (of a watercourse). The name Hertfordshire is first recorded in the Anglo-Saxon Chronicle in 1011. Deer feature in many county emblems. Many of the names of the current settlements date back to the Anglo-Saxon period, with many featuring standard placename suffixes attributed to the Anglo-Saxons: "ford", "ton", "den", "bourn", "ley", "stead", "ing", "lett", "wood", and "worth", are represented in this county by Hertford, Royston, Harpenden, Redbourn, Cuffley, Wheathampstead, Tring, Radlett, Borehamwood and Rickmansworth. There
9831-518: The same town, Airbus (Defence & Space Division) produces satellites. Hatfield was where de Havilland developed the first commercial jet liner, the Comet . Now the site is a business park and new campus for the University of Hertfordshire . This major employment site notably hosts EE , Computacenter and Ocado groceries and other goods e-commerce. Welwyn Garden City hosts Tesco 's UK base, hosts
9944-618: The scheme being completed and opened in April 2014. The second section, between junctions 23 (A1/A1(M)) and 27 (M11), began construction in February 2013 and was completed and opened in November 2014. In December 2016, Highways England completed the capacity project at junction 30 (Thurrock) as part of the Thames Gateway Delivery Plan. The £100 million scheme included widening the M25 to four lanes, adding additional link roads, and improvements to drainage. Work began to widen
10057-465: The section between junction 12 (M3) and junction 15 (M4) to 12 lanes. At the Heathrow Terminal 5 public inquiry, a Highways Agency official said that the widening was needed to accommodate traffic to the proposed new terminal, but the transport minister said that no such evidence had been given. Environmental groups objected to the decision to go ahead with a scheme to create the widest motorways in
10170-494: The slip roads at busy periods, particularly traffic from the clockwise M25 joining the northbound A12. In 2018, a new scheme was proposed, because the junction had reached capacity, accommodating over 7,500 vehicles per hour. The scheme involved building a two-lane link road between the M25 and the A12. The work was expected to be completed around 2021/22. In 2006, the Highways Agency proposed widening 63 miles (101 km) of
10283-607: The society with an open weekend in May. The Maple Cross Recreation Ground situated on Denham Way is operated by Three Rivers Local Authority and has open air sports facilities of two full sized football pitches, one junior sized football pitch, two tennis courts and a cricket pitch available for public use via its booking line. There is also car parking and a sports pavilion with changing rooms. British heavy metal band, Girlschool , released an album entitled Nightmare at Maple Cross in 1986. The village achieved notoriety in 2021 with
10396-699: The south-east and Hunton Bridge to Potters Bar in the north-west. The section of Ringway 3 west of South Mimms anti-clockwise around London to Swanley in Kent was cancelled. The section from Potters Bar to the Dartford Tunnel was constructed in stages from June 1979 onwards, with the final section between Waltham Cross (junction 25) to Theydon Garnon (junction 27) opening in January 1984. This section, running through Epping Forest , attracted opposition and protests. In 1973, local residents had parked combine harvesters in Parliament Square in protest against
10509-515: The territory of Hertfordshire to the control of the West Anglians of Mercia . The region finally became an English shire in the 10th century, on the merger of the West Saxon and Mercian kingdoms. In the midst of the Norse invasions, Hertfordshire was on the front lines of much of the fighting. King Edward the Elder , in his reconquest of Norse-held lands in what was to become England , established
10622-432: The threat of road protesters, the ceremony was held a quarter of a mile from the nearest bridge. The total estimated cost of the motorway was around £1 billion. It required 2 million tonnes (2.2 million short tons) of concrete, 2.5 million tonnes (2.8 million short tons) of asphalt and involved the removal of 49 million cubic metres (1,700 million cubic feet) of spoil. Upon completion, it
10735-576: The view of the road. Construction of parts of the two outer ring roads, Ringways 3 and 4, began in 1973. The first section, between South Mimms and Potters Bar in Hertfordshire (junctions 23 to 24) opened in September 1975. It was provisionally known as the M16 and was given the temporary general-purpose road designation A1178 . A section of the North Orbital Road between Rickmansworth and Hunton Bridge
10848-785: The village and the Denham Way. The areas main thoroughfare, Denham Way, was built in the 1950s as an improvement to The Old Uxbridge Road, and forms part of the A412 . The area is served by the Green Line bus route 724 which runs from Heathrow Airport to Harlow , Essex , via Watford and the local Arriva Shires & Essex 520 which begins in Maple Cross and runs to Watford. Bus route R21 runs from Mount Vernon Hospital via Harefield and Rickmansworth . It normally terminates at Maple Cross, but extends its journey to Uxbridge twice per day via Denham . The Grand Junction Canal , later to be renamed as
10961-443: The whole of West Hertfordshire ; an area with a population of 557,000 people. The plant was used in 1952 to test diffused aeration technology and a diffused-air activated sludge purification system has been in continuous use since. The cleaned effluent from this process is discharged into the nearby Grand Union Canal . Sludge settled from the incoming sewage is treated by retention in enclosed heated anaerobic digestion tanks,
11074-618: The world's first garden city and Stevenage became the first town to redevelop under the New Towns Act 1946 ( 9 & 10 Geo. 6 . c. 68). The first shooting-down of a zeppelin over Great Britain during WW1 happened in Cuffley. From the 1920s until the late 1980s , the town of Borehamwood was home to one of the major British film studio complexes, including the MGM-British Studios . Many well-known films were made here including
11187-633: The yellow field to the stag or Hart representing the county. He is the Patron Saint of Hertfordshire. With the departure of the Roman Legions in the early 5th century , the now-unprotected territory was invaded and colonised by the Anglo-Saxons . By the 6th century, the majority of the modern county was part of the East Saxon kingdom. This relatively short-lived kingdom collapsed in the 9th century, ceding
11300-548: Was watercress , based in Hemel Hempstead and Berkhamsted supported by reliable, clean chalk rivers. This is a table of trends of regional gross value added of Hertfordshire at current basic prices with figures in millions of British Pounds Sterling. Hertfordshire has the main operational and/or headquarters UK site of some very large employers. Clockwise from north: In Stevenage (a subsidiary of: BAE Systems , Airbus and Finmeccanica ) MBDA , develops missiles . In
11413-482: Was awarded to Connect Plus to widen the sections between junctions 16 to 23 and 27 to 30, and maintain the M25 and the Dartford Crossing for a 30-year period. Work to widen the section between junctions 16 (M40) and 23 (A1(M)) to dual four lanes started in July 2009 at an estimated cost of £580 million. The junction 16 to 21 (M1) section was completed by July 2011 and the junction 21 to 23 by June 2012. Works to widen
11526-522: Was constructed between May 1974 and April 1977. In 1975, following extensive opposition to some parts of Ringway 3 through Middlesex and South London, the transport minister John Gilbert announced that the north section of Ringway 3 already planned would be combined with the southern section of Ringway 4, forming a single orbital motorway to be known as the M25, and the M16 designation was dropped. This scheme required two additional sections to join what were two different schemes, from Swanley to Sevenoaks in
11639-502: Was intended to be a simple upgrade of streets. In 1951, Middlesex County Council planned a route for the orbital road through the county, passing through Eastcote and west of Bushey , connecting with the proposed M1 motorway , but it was rejected by the Ministry two years later. An alternative route via Harrow and Ealing was proposed, but this was abandoned after the council revealed the extent of property demolition required. In 1964,
11752-437: Was one of the first motorway projects to consider environmental concerns and almost 40 public inquiries took place. The road was built as planned despite some protests that included the section over the North Downs and around Epping Forest which required an extension of the Bell Common Tunnel . Although the M25 was popular during construction, it quickly became apparent that there was insufficient traffic capacity. Because of
11865-449: Was originally built mostly as a dual three-lane motorway. Much of this has since been widened to dual four lanes for almost half, to a dual five-lanes section between junctions 12 and 14 and a dual six-lane section between junctions 14 and 15. Further widening is in progress of minor sections with plans for smart motorways in many others. Two motorway service areas are on the M25, and two others are directly accessible from it. Those on
11978-499: Was proposed in 1966, with detailed planning in 1971. The North Orbital Extension was given the go-ahead in January 1973, from Maple Cross. It was 6.2 miles, and was to cost £6.5m. The road was constructed to motorway standards and opened on Thursday 26 February 1976, as a section of the A405 . It eventually became part of the M25's route. The section to the south, from Heathrow Airport to Rickmansworth had five separate routes proposed when
12091-446: Was remodelled to increase capacity. The nearby Holmesdale Tunnel was widened to three lanes in an easterly direction, and an additional left-turn lane added from the A10 onto the motorway. The total cost was £75 million. Work to widen the exit slip-roads in both directions at junction 28 ( A12 / A1023) was completed in 2008. That was designed to reduce the amount of traffic queuing on
12204-428: Was subcontracted to manage traffic on the M25, delivering live alerts from body-worn cameras via 3G, 4G and Wi-Fi. Since 1995, sections of the M25 have been equipped with variable speed limits, which slow traffic in the event of congestion or an obstruction, and help manage the traffic flow. The scheme was originally trialled between junctions 10 and 16, and was made a permanent fixture in 1997. The Dartford Crossing
12317-487: Was the longest orbital motorway in the world at 117 miles (188 km). At the opening ceremony, Thatcher announced that 98 miles (158 km) had been constructed while the Conservative Party were in office, calling it "a splendid achievement for Britain". A 58-page brochure was published, commemorating the completion of the motorway. The M25 was initially popular with the public. In the 1987 general election ,
12430-438: Was the most prominent technology used, but this has been gradually replaced with high-pressure sodium (SON) lighting. As of 2015 the motorway has more than 10,000 streetlights. The M25 has a number of pollution control valves along its length, which can shut off drainage in the event of a chemical or fuel spill. The idea of a general bypass around London was first proposed early in the 20th century. An outer orbital route around
12543-563: Was transferred to form part of the present-day London Borough of Barnet and the Potters Bar Urban District of Middlesex was transferred to Hertfordshire. The highest point in the county is at 244 m (801 ft) ( AOD ) on the Ridgeway long distance national path, on the border of Hastoe near Tring with Drayton Beauchamp , Buckinghamshire. At the 2011 census, among the county's ten districts, East Hertfordshire had
12656-465: Was used for some of the new Norman castles at Bishop's Stortford , and at King's Langley , a staging post between London and the royal residence of Berkhamsted . The Domesday Book recorded the county as having nine hundreds . Tring and Danais became one— Dacorum —from Danis Corum or Danish rule harking back to a Viking not Saxon past. The other seven were Braughing , Stevenage , Cashio , Buntingford , Hertford , Hitchin and Odsey . In
12769-569: Was used to extinguish the fire at the Buncefield Oil Terminal . There is a 40-acre nature reserve on Thames Water owned land formerly used for gravel extraction, adjacent to the sewage treatment plant. It includes lakes and wetlands that provide a habitat for wildfowl and nine Bird hides . The reserve is leased to the Maple Lodge Conservation Society that was founded in 1983. Access is normally restricted to members of
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