A concurrency in a road network is an instance of one physical roadway bearing two or more different route numbers . When two roadways share the same right-of-way , it is sometimes called a common section or commons . Other terminology for a concurrency includes overlap , coincidence , duplex (two concurrent routes), triplex (three concurrent routes), multiplex (any number of concurrent routes), dual routing or triple routing .
47-564: Willowbank Raceway is a drag racing facility located off the Cunningham Highway , Willowbank , City of Ipswich , Queensland , Australia. It is located approximately 30–45 minutes drive west of Brisbane . It is part of the Ipswich Motorsport Precinct , which includes a kart racing track; Ipswich Sprint Racing Circuit, a short circuit dirt racetrack; Ipswich Motor Sport Complex and bitumen racetrack Queensland Raceway . Since
94-484: A cost of $ 275,000, was under way in January 2022. [REDACTED] Media related to Cunningham Highway at Wikimedia Commons Concurrency (road) Concurrent numbering can become very common in jurisdictions that allow it. Where multiple routes must pass between a single mountain crossing or over a bridge, or through a major city, it is often economically and practically advantageous for them all to be accommodated on
141-760: A major junction with the New England Highway near Eastments Ridge approximately 14 kilometres (8.7 mi) north of Warwick. The two highways run south to Warwick, sharing the National Route 15 shield and cross the Condamine River before the concurrency terminates and the New England Highway runs south, carrying the National Highway 15 shield; and the Cunningham heads west by south-west through Inglewood , Yelarbon , before reaching its south-western terminus on
188-578: A memorial to Louie, being decorated with his photo and words expressing his family's grief. In 2015, the circuit defected from the national governing body of the sport, the Australian National Drag Racing Association by joining West Palm Beach , Florida (US) based International Hot Rod Association sanctioning body. It is one of three (Sydney Dragway and newly built Springmount Raceway the others) currently affiliated with IHRA and not ANDRA. On 3 May 2007, Kenneth Richard Smith
235-578: A section of a continuous Highway 403, the new link was designated as a western extension of the tolled Highway 407, with the Mississauga section of Highway 403 planned to be renumbered as Highway 410. The renumbering to 410 never came to pass, and consequently Highway 403 was signed concurrently along the Queen Elizabeth Way in 2002, remedying the discontinuity. Nonetheless, many surface street signs referring to that section of freeway with
282-423: A single numbered route across each province (an exception being the switching of the designation between Nova Scotia Highways 104 and 105 ), or has branches that are signed exclusively as TCH routes. In Ontario and Quebec, The TCH follows a series of provincial highways, and also has branches that follow sections of others that have concurrencies with it, signed with TCH shields alongside the provincial number. In
329-435: A single physical roadway. In some jurisdictions, however, concurrent numbering is avoided by posting only one route number on highway signs; other route numbers disappear at the start of the concurrency and reappear when it ends. However, any route that becomes unsigned in the middle of the concurrency will still be signed on most maps and road atlases. Most concurrencies are simply a combination of at least two route numbers on
376-536: A variety of concurrences which can occur. An example of this is the concurrency of Interstate 70 (I-70) and I-76 on the Pennsylvania Turnpike in western Pennsylvania . I-70 merges with the Pennsylvania Turnpike so the route number can ultimately continue east into Maryland; instead of having a second physical highway built to carry the route, it is combined with the Pennsylvania Turnpike and
423-524: Is a 327-kilometre (203 mi) national highway located in south-eastern Queensland , Australia . The highway links the Darling Downs region with the urbanised outskirts of Ipswich via Cunninghams Gap . The Cunningham carries the National Highway 15 shield between Ipswich and north of Warwick at its junction with the New England Highway at Glengallan where both the Cunningham and
470-521: Is in downtown Athens, Georgia , between exits 4 and 8 of SR 10 Loop , where the highway is concurrent with US 29 , US 78 , US 129 , US 441 , SR 8 , SR 15 , and SR 422. In the United States, concurrencies are simply marked by placing signs for both routes on the same or adjacent posts. The federal Manual on Uniform Traffic Control Devices prescribes that when mounting these adjacent signs together that
517-554: Is officially designated " Daniel Interchange ", providing half of the possible interchange directions. It is a one-mile (1.6 km) segment consisting of eight lanes providing high-speed access between the two highways. Access from Highway 1 west to Highway 6 south and Highway 6 north to Highway 1 east is provided via Route 431 , while access between Highway 1 east to Highway 6 north and Highway 6 south to Highway 1 west are provided at Ben Shemen Interchange. The other movements are provided through
SECTION 10
#1732869107747564-595: Is signed) and Interstate 81 (which runs primarily northeast–southwest, but is also signed north–south). A vehicle might simultaneously be on I-77 northbound and I-81 southbound, while actually traveling due westbound. An unusual example of a three-directional concurrency occurs southeast of Rhinelander, Wisconsin , where US 8 westbound (the actual compass direction) converges with southbound Wisconsin Highway 17 and northbound Wisconsin Highway 47 , and vice-versa. Often when two routes with exit numbers overlap, one of
611-570: The American Association of State Highway and Transportation Officials for permission to truncate US 27 at Fort Wayne, Indiana . In 2002, Michigan removed the US ;27 designation from I-69 and extended the US ;127 designation from Lansing to Grayling. MDOT's stated reason for the modification was to "reduce confusion along the US 27/US 127 corridor". After US 27's signage
658-584: The Oklahoma – Arkansas state line. At the northern end of this border Oklahoma State Highway 20 runs concurrently with Arkansas Highway 43 and the two highways run north–south along the boundary. Concurrencies are also found in Canada. British Columbia Highway 5 continues east for 12 kilometres (7.5 mi) concurrently with Highway 1 and Highway 97 , through Kamloops . This stretch of road, which carries Highway 97 south and Highway 5 north on
705-499: The concurrency of I-75 and I-85 in Atlanta, Georgia —where I-75 is dominant—the exit numbers range from 242 to 251, while I-85's highest independent mile marker in Georgia is 179. Some brief concurrencies in the past have been eliminated by reassigning the designations along the roadways. This can involve scaling back the terminus of one designation to the end of a concurrent section. At
752-456: The 100-year anniversary of Allan Cunningham's supposed discovery of Cunningham's Gap. Actually, Cunningham discovered two gaps, Spicer's Gap on 11 June 1827 as he approached from the Darling Downs side and Cunningham's Gap on 21 August 1828 as he approached from Ipswich . However, Cunningham mistakenly believed he had found both sides of the same gap and not two different ones. This mistake
799-669: The Cunningham Highway begins its ascent across the Great Dividing Range via a mountain pass at an elevation of 787 metres (2,582 ft) above sea level called Cunninghams Gap, situated in the Main Range National Park , between the peaks of Mount Cordeaux and Mount Mitchell . As the Cunningham Highway descends through the Southern Downs region and west adjacent to the settlement of Maryvale , it reaches
846-662: The Cunningham Motorway, bypassing to the south the Ipswich central business district , the original path of the highway, now named Warwick Road. The motorway transitions to the Cunningham Highway, and a further modern deviation takes the highway south of Willowbank and RAAF Base Amberley through the Scenic Rim region including the towns and settlements of Warrill View , the Fassifern Valley and Aratula . From this point,
893-570: The Czech Republic, the European route numbers are only additional, and they are always concurrent with the state route numbering, usually highways or first-class roads. In the state numbering system, concurrences exist only in first-class and second-class roads; third class roads do not have them. The local term for such concurrences is peáž (from the French word péage ). In the road register, one of
940-603: The I-76 designation. The longest Interstate Highway concurrency is I-80 and I-90 for 278 miles (447 km) across Indiana and Ohio . There are at least two examples of eight-way concurrencies. The first example is in Indianapolis, between exits 46 and 47 of the 53-mile (85 km) I-465 beltway , where the highway is concurrent with I-69 , U.S. Highway 31 (US 31), US 36 , US 40 , US 52 , US 421 , and State Road 67 . The second example
987-448: The National Highway, while section 17C and part of section 17D are strategic roads. The sections are: State-controlled roads that intersect with the highway are listed in the main article. The highway is named in honour of the explorer and botanist Allan Cunningham who followed a route close to where the modern-day highway runs. In 1828 after discovering the route Cunningham sent a report to Governor Ralph Darling emphasising
SECTION 20
#17328691077471034-653: The New England head south concurrently to Warwick. Thereafter, the Cunningham carries the National Highway 42 shield to its south-western terminus with the Leichhardt Highway at Goondiwindi . The majority of the Cunningham Highway is a single carriageway with freeway standard and 6-lane arterial road standard towards its north-eastern terminus, near Ipswich. The Cunningham Highway is a state-controlled road, subdivided into four sections for administrative and funding purposes. Sections 17A, 17B, and part of 17D are part of
1081-676: The QEW/Highway ;403 concurrency still only use the highway's original designation of QEW, although the MTO has updated route markers on the QEW to reflect the concurrency. At the national level, the Trans-Canada Highway , which does not bear a uniform number in the eastern provinces, follows various provincial highways. In the Atlantic Provinces the main designated TCH route either follows
1128-585: The Surfers Paradise International Raceway with the June meet, the Winternationals, beginning in 1968. The Australian Winternationals became the largest drag racing meet outside the United States. The Surfers Paradise raceway was sold in 1984 and then closed in 1987. Since the early 1980s, a group of racers led by Dennis Syrmis John Winterburn had been concerned about the long-term viability of
1175-459: The Surfers Paradise venue and its unsuitability for drag racing and had spent four years planning and building a dedicated drag racing track at Willowbank with their first events held on the weekend of 28–29 September 1985. Drag racer Kent Rogers was killed on 28 September when his car left the track while moving at over 200 kilometres per hour (120 mph) and hit a bank. With the closure of
1222-506: The Surfers Paradise venue, the Winternationals relocated to Willowbank where the event has been held annually ever since and remains the large drag racing event outside the United States. On 22 July 1990, dragster driver Louie Rapisarda was killed when a mechanical explosion released oil under the tyres sending the car skidding and hitting the safety barrier. He was part of the Rapisarda racing family and all subsequent Rapisarda race vehicles are
1269-883: The UK, the existence of these concurrencies is purely theoretical. In Sweden and Denmark, the most important highways use only the European route numbers that have cardinal directions. In Sweden the European route E6 and E20 run concurrently for 280 kilometres (170 mi). In Denmark the E47 and E55 run concurrently for 157 kilometres (98 mi). There are more shorter concurrencies. There are two stretches in Sweden and Denmark where three European routes run concurrently; these are E6, E20 and E22 in Sweden, and E20, E47, and E55 in Denmark. Along all these concurrencies, all route numbers are posted with signs. In
1316-615: The United Kingdom, routes do not run concurrently with others. Where this would normally occur, the roadway takes the number of only one of the routes (usually, but not always, the most important route), while the other routes are considered to have a gap and are signed in brackets (the equivalent of "to" signs in North America). An example is the meeting of the M60 and the M62 northwest of Manchester :
1363-564: The closing of Surfers Paradise International Raceway following the 1987 Winternationals , the popular event, one of the largest drag racing festivals in the southern hemisphere, moved to the circuit in 1988. Between the end of Calder Park Raceway 's top level drag racing career and the opening of Western Sydney International Dragway, it also hosted the Australian Drag Racing Nationals. Drag racing commenced in Queensland at
1410-455: The concurrency. Since highways in the United States and Canada are usually signed with assigned cardinal directions based on their primary orientation, it is possible for a stretch of roadway shared between two highways to be signed with conflicting, even opposite, cardinal directions in a wrong-way concurrency . For example, near Wytheville, Virginia , there is a concurrency between Interstate 77 (which runs primarily north–south, as it
1457-402: The economic benefits that a link between the coast and pastoral lands of the Darling Downs would provide. The first road between the coast and the Darling Downs was Spicers Gap Road developed in 1859, which crossed the range at Spicer's Gap and was suitable for the drays used at that time. Although Cunningham's Gap was known at that time, it was considered too steep a route for drays. With
Willowbank Raceway - Misplaced Pages Continue
1504-558: The motorways coincide for the seven miles (11 km) between junctions 12 and 18 but the motorway between those points is only designated as the M60 (although in this case the same junction numbers would also apply to the M62). European route numbers as designated by UNECE may have concurrencies (for instance E15 and E30 around Greater London ), but since the E-route numbers are unsigned and unused in
1551-469: The numbers will be arranged vertically or horizontally in order of precedence. The order to be used is Interstate Highways , U.S. Highways , state highways , and finally county roads , and within each class by increasing numerical value. Several states do not officially have any concurrencies, instead officially ending routes on each side of one. There are several circumstances where unusual concurrencies exist along state borders. One example occurs along
1598-534: The opening of the Southern railway line between Toowoomba and Warwick in 1871, passenger and goods transport switched to the railways and Spicers Gap Road fell into disuse and was not well maintained due to the cost. It was not until the advent of automobiles that a route through the steep Cunningham's Gap became feasible. The original road was built entirely by voluntary labour and Acting Queensland Premier , William Forgan Smith , officially opened on 11 June 1927,
1645-565: The outskirts of Goondiwindi. Within close proximity of Goondiwindi, the Cunningham Highway links to the Newell , Leichhardt, and Barwon highways, with the Bruxner Highway nearby. From northeast to southwest, the following towns and settlements are located on the Cunningham Highway: A lead project to plan and conduct upgrades to the highway, at a total cost of $ 212.5 million, was in
1692-637: The planning phase in November 2021. The $ 25 million intersection upgrade described below is included in this project. A project to upgrade the intersection with the New England Highway east of Warwick, at a cost of $ 25 million, was due for completion in August 2022. A project to reconstruct sections of the highway at Cunninghams Gap following bushfire damage, at a cost of $ 84.27 million, was due to start construction in early 2022. A project to identify safety issues and propose solutions between Warwick and Inglewood, at
1739-491: The province's only concurrency between two 400-series highways . The concurrency was not in the original plan which intended for both the QEW and Highway 403 to run parallel to each other, as the Hamilton–Brantford and Mississauga sections of Highway 403 were initially planned to be linked up along a corridor (later planned to be tolled ) now occupied by Highway 407 . To avoid forcing drivers to pay tolls to use
1786-516: The road to highway and named it the Cunningham Highway. The new sealed road through the gap was eventually opened in November 1949. The north-eastern terminus of the Cunningham Highway is situated a short distance west of where the Warrego Highway reaches its eastern terminus with the Ipswich Motorway , at Riverview , a suburb of Ipswich. From this point, the Cunningham heads south-west as
1833-472: The roads is considered the main ("source") road and the others as the péaging (guest) roads. The official road map enables a maximum of five concurrent routes of the intrastate numbering system. Cycling routes and hiking routes are often concurrent. In Israel, two freeways , the Trans-Israel Highway (Highway 6), and Highway 1 run concurrently just east of Ben Shemen Interchange . The concurrency
1880-434: The routes has its exit numbers dominate over the other and can sometimes result in having two exits of the same number, albeit far from each other along the same highway. An example of this is from the concurrency of I-94 and US 127 near Jackson , Michigan. The concurrent section of freeway has an exit with M-106 , which is numbered exit 139 using I-94's mileage-based numbers. US 127 also has another exit 139 with
1927-418: The same physical roadway. This is often practically advantageous as well as economically advantageous; it may be better for two route numbers to be combined into one along rivers or through mountain valleys. Some countries allow for concurrencies to occur, however, others specifically do not allow it to happen. In those nations which do permit concurrencies, it can become very common. In these countries, there are
Willowbank Raceway - Misplaced Pages Continue
1974-734: The same roadway (and vice versa), is the only wrong-way concurrency in British Columbia. Concurrencies are also very common in Quebec . Most notably, the Samuel-de-Champlain Bridge features a concurrency with three Autoroutes: A-10 , A-15 , and A-20 . Another example is A-55 , which runs concurrently with A-10, A-20, and A-40 , all of which are major highways. In Ontario , the Queen Elizabeth Way and Highway 403 run concurrently between Burlington and Oakville , forming
2021-652: The same time, there could be an extension of another highway designation that is used to replace the newly shortened designation with another one. Between states, US 27 in Michigan previously ran concurrently with I-69 from the Michigan–Indiana state line to the Lansing, Michigan , area. From there it turned northwards to its terminus at Grayling . In 1999, the Michigan and Indiana departments of transportation petitioned
2068-586: The southern end of the US 127 business loop in Mount Pleasant , Michigan. (US 127's mile markers in Michigan reflect the cumulative distance north of the Ohio state line; the numbers resume north of the I-94 overlap and reflect the distance accumulated on that concurrency.) However, there are also instances where the dominant exit number range is far more than the secondary route's highest exit number, for example
2115-542: Was killed when his dragster crashed into a concrete barrier at top speed during a practice session. On 7 January 2023, Sam Fenech lost control of his car at speed of about 320 kilometres per hour (200 mph), causing the vehicle to roll over and crash into a camera tower. His parachute had failed to deploy. A cameraman was also seriously injured, but survived. 27°41′47″S 152°39′55″E / 27.69639°S 152.66528°E / -27.69639; 152.66528 Cunningham Highway The Cunningham Highway
2162-540: Was removed, the highway north of the Lansing area was renumbered US 127, and the US 27 designation was removed from I-69. Some consolidation schemes involve the use of incorporating two single-digit numbers onto one marker, as along the US 1/9 concurrency in northern New Jersey . In the mid-20th century, California had numerous concurrencies, but the California Legislature removed most of them in
2209-539: Was then perpetuated on the monument to Cunningham unveiled as part of the official opening of the road, as it gave 11 June 1827 as the discovery of Cunningham's Gap. The road was plagued by problems during this embryonic stage with the Royal Automobile Club of Queensland announcing that the road was closed, less than one month after it was officially opened. In 1935, the Mains Road Commission upgraded
#746253