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47-535: Provincial Trunk Highways (PTH) 100 and 101 , collectively known as the Perimeter Highway , form a beltway around the Canadian city of Winnipeg , Manitoba . The Perimeter Highway is approximately 90 kilometres (56 mi) in length and serves as a ring road around Winnipeg for through traffic. It is often considered by local residents to be the city's unofficial boundary, although approximately three-quarters of

94-413: A city or town, with the standard of road being anything from an ordinary city street up to motorway level. An excellent example of this is London's North Circular/South Circular ring roads, which are largely made up of (mainly congested) ordinary city streets. In some cases, a circumferential route is formed by the combination of a major through highway and a similar-quality loop route that extends out from

141-662: A complete belt road around Hawaii Island . Other major U.S. cities with such a beltway superhighway: There are other U.S. superhighway beltway systems that consist of multiple routes that require multiple interchanges and thus do not provide true ring routes. Two designated examples are the Capital Beltway around Harrisburg, Pennsylvania using Interstate 81 , Interstate 83 , and Pennsylvania Route 581 and "The Bypass" around South Bend, Indiana using Interstate 80 , Interstate 90 , U.S. Route 31 , and Indiana State Road 331 . Edmonton , Alberta, has two ring roads. The first

188-471: A ring road or ring road system: In Iceland , there is a 1,332 km ring road, called the ring road (or Route 1), around most of the island (excluding only the remote Westfjords ). Most of the country's settlements are on or near this road. Major cities that are served by a ring road or ring road system: Winnipeg Route 150 It branches off from St. Mary's Road in north St. Vital and runs southeastward through central and southern St. Vital to

235-523: A through-the-city route there, with the Beltway encircling the city as I-495. The portion of I-95 entering the city from the south was soon completed (and so signed), primarily by adapting an existing major highway, but the planned extension of I-95 through residential areas northward to the Beltway was long delayed, and eventually abandoned, leaving the eastern portion of the Beltway as the best Interstate-quality route for through traffic. This eastern portion of

282-609: A town or city, typically without either signals or road or railroad crossings. In the United States, beltways are commonly parts of the Interstate Highway System. Similar roads in the United Kingdom are often called "orbital motorways". Although the terms "ring road" and "orbital motorway" are sometimes used interchangeably, "ring road" often indicates a circumferential route formed from one or more existing roads within

329-525: A true ring road around Detroit is effectively blocked by its location on the border with Canada and the Detroit River ; although constructing a route mostly or entirely outside city limits is technically feasible, a true ring around Detroit would necessarily pass through Canada, and so Interstate 275 and Interstate 696 together bypass but do not encircle the city. Sometimes, the presence of significant natural or historical areas limits route options, as for

376-527: Is 60 km/h (37 mph), except for the section directly north of the Perimeter Highway, where it increases to 70 km/h (43 mph). Prior to the construction of the Red River Floodway and Highway 59 , St. Anne's Road was a heavily-used road connecting Winnipeg with the community of Ste. Anne, Manitoba , and much of southeastern Manitoba , including the town of Steinbach . Sections of

423-405: Is a loose conglomeration of four major arterial roads with an average distance of 6 kilometres (3.7 mi) from the downtown core. Yellowhead Trail forms the northern section, Wayne Gretzky Drive /75 Street forms the eastern section, Whitemud Drive forms the southern and longest section, and 170 Street forms the western and shortest section. Whitemud Drive is the only section that

470-409: Is a road or a series of connected roads encircling a town, city or country. The most common purpose of a ring road is to assist in reducing traffic volumes in the urban centre, such as by offering an alternate route around the city for drivers who do not need to stop in the city core. Ring roads can also serve to connect suburbs to each other, allowing efficient travel between them. The name "ring road"

517-413: Is a true controlled-access highway , while Yellowhead Trail and Wayne Gretzky Drive have interchanges and intersections and are therefore both limited-access roads . 170 Street and 75 Street are merely large arterial roads with intersections only. The second and more prominent ring road is named Anthony Henday Drive ; it circles the city at an average distance of 12 kilometres (7.5 mi) from

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564-417: Is challenging when a through highway and a loop bypass together form a circumferential ring road. Since neither of the highways involved is circumferential itself, either dual signage or two (or more) route numbers is needed. The history of signage on the Capital Beltway around Washington, D.C., is instructive here. Interstate 95 , a major through highway along the U.S. East Coast , was originally planned as

611-544: Is designated PTH 100 and is the official TCH bypass around Winnipeg but not part of the National Highway System. The entire route is a four-lane divided expressway with a mixture of interchanges and at-grade intersections . After many highway authorities in Canada have moved away from the cloverleaf interchange in favour of other designs, Winnipeg has the most cloverleafs of any city in Canada, with all six being on

658-800: Is used for the majority of metropolitan circumferential routes in Europe, such as the Berliner Ring , the Brussels Ring , the Amsterdam Ring , the Boulevard Périphérique around Paris and the Leeds Inner and Outer ring roads. Australia , Pakistan and India also use the term ring road, as in Melbourne 's Western Ring Road , Lahore 's Lahore Ring Road and Hyderabad 's Outer Ring Road . In Canada

705-500: The Capital Beltway around Washington, D.C. Some ring roads, such as Washington's Capital Beltway, use "Inner Loop" and "Outer Loop" terminology for directions of travel, since cardinal (compass) directions cannot be signed uniformly around the entire loop. The term 'ring road' is occasionally – and inaccurately – used interchangeably with the term ' bypass '. Bypasses around many large and small towns were built in many areas when many old roads were converted to four-lane status in

752-469: The Frankfurt area, major national highways converge just outside city limits before forming one of several routes of an urban network of roads circling the city. Unlike in United States, route numbering is not a challenge on European ring roads as routes merge to form the single designated road. However, exit and road junction access can be challenging due to the complexity of other routes branching from or into

799-901: The North and South Circular roads and the Inner Ring Road ). Birmingham also has three ring roads which consist of the Birmingham Box ; the A4540 , commonly known as the Middleway; and the A4040 , the Outer Ring Road. Birmingham once had a fourth ring road, the A4400 . This has been partially demolished and downgraded to improve traffic flow into the city. Other British cities have two: Leeds , Sheffield , Norwich and Glasgow . Cleveland, OH and San Antonio, TX , in

846-491: The Perimeter Highway . It is a collector road for traffic between south St. Boniface , central and south St. Vital, and downtown . St. Anne's Road from St. Mary's Road to Fermor Avenue is part of the Trans-Canada Highway . St. Anne's Road continues south of the Perimeter Highway and ends at the Red River Floodway . This part of the road was formerly signed as Provincial Road 300. The speed limit on Route 150

893-488: The United States , also each have two, while Houston, Texas will have three official ring roads (not including the downtown freeway loop). Some cities have far more – Beijing , for example, has six ring roads , simply numbered in increasing order from the city center (though skipping #1), while Moscow has five, three innermost ( Central Squares of Moscow , Boulevard Ring and Garden Ring ) corresponding to

940-855: The 1930s to 1950s, such as those along the Old National Road (now generally U.S. 40 or Interstate 70 ) in the United States, leaving the old road in place to serve the town or city, but allowing through travelers to continue on a wider, faster and safer route. Construction of fully circumferential ring roads has generally occurred more recently, beginning in the 1960s in many areas, when the U.S. Interstate Highway System and similar-quality roads elsewhere were designed. Ring roads have now been built around numerous cities and metropolitan areas, including cities with multiple ring roads, irregularly shaped ring roads and ring roads made up of various other long-distance roads. London has three ring roads (the M25 motorway ,

987-651: The 1950s and not yet completed, called the Suburban Beltway. It consists of several roads— Lagimodière Boulevard , Abinojii Mikanah , the Fort Garry Bridge, the Moray Bridge, William R Clement Parkway , Chief Peguis Trail and the Kildonan Bridge . Saskatoon , Saskatchewan, has a ring road named Circle Drive. It is cosigned as Saskatchewan Highway 16 and Saskatchewan Highway 11 along the whole route since

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1034-415: The 2013 opening of Circle Drive South. Regina , Saskatchewan has a partial ring road that is named Ring Road ; however, due to the city's urban growth since the road was originally constructed, it no longer functions as a true ring road and has instead come to be used partially for local arterial traffic. The Regina Bypass , a new partial ring road, has replaced it, although Ring Road must still be used in

1081-604: The Beltway ", derived metonymically from the Capital Beltway encircling Washington, D.C. Ring roads have been criticised for inducing demand , leading to more car journeys being taken and thus higher levels of pollution being created. By creating easy access by car to large areas of land, they can also act as a catalyst for development, leading to urban sprawl and car-centric planning. Ring roads have also been criticised for splitting communities and being difficult to navigate for pedestrians and cyclists. Most orbital motorways (or beltways) are purpose-built major highways around

1128-464: The Beltway was then redesignated from I-495 to I-95, leaving the I-495 designation only on the western portion, and the completed part of the planned Interstate inside the Beltway was redesignated as a spur, I-395 . A few years later, the resulting confusion from different route numbers on the circumferential Beltway was resolved by restoring I-495 signage for the entire Beltway, with dual signage for I-95 for

1175-543: The Perimeter Highway actually lies in the other municipalities within the Winnipeg Metropolitan Region . The beltway consists of two provincial highways connected at separate junctions with PTH 1 , the Trans-Canada Highway (TCH), on the east and west sides of the Winnipeg. The North Perimeter highway is officially designated PTH 101 and is part of Canada's National Highway System . The South Perimeter highway

1222-541: The Perimeter Highway. The highway was originally built in 1955 to bypass city centre rush hour traffic. This was done in lieu of a more expensive freeway system within the Capital Region . The South Perimeter Highway bridge across the Red River and roadway at Pembina Highway / PTH 75 south was constructed in 1958. The job was tendered to Peter Leitch Construction Ltd. at a cost of $ 188,670. In December 1957, Dominion Bridge

1269-507: The South Perimeter Highway to a limited-access freeway, the starting point of which was to close a number of uncontrolled median openings and accesses. This was followed by the release of a full South Perimeter Highway Design Study that proposed a set of upgrades to transform PTH 100 into a six-lane, free-flowing, limited-access freeway. The full vision for the freeway design would be realized through two multi-year phases, with some of

1316-456: The United States. In many cases, such as Interstate 285 in Atlanta, Georgia , circumferential highways serve as a bypass while other highways pass directly through the city center. In other cases, a primary Interstate highway passes around a city on one side, with a connecting loop Interstate bypassing the city on the other side, together forming a circumferential route, as with I-93 and I-495 in

1363-581: The area of Lawrence, Massachusetts . However, if a primary Interstate passes through a city and a loop bypasses it on only one side (as in the Wilmington, Delaware , area), no fully circumferential route is provided. Within cities, ring roads sometimes have local nicknames; these include Washington DC's Interstate 495 (The "Capital Beltway"), Interstate 270 in Columbus, Ohio (The "Outerbelt"), and Interstate 285 in Atlanta (The "Perimeter"). Route numbering

1410-408: The city of Calgary , Alberta, for an entire length of 101-kilometre (63 mi). Winnipeg , Manitoba, has a ring road which is called the Perimeter Highway . It is designated as Manitoba Highway 101 on the north, northwest and east sides and as Manitoba Highway 100 on the south and southwest sides. The majority of it is a four-lane divided expressway . It has a second ring road, planned since

1457-595: The concentric lines of fortifications around the ancient city, and the two outermost ( MKAD and Third Ring ) built in the twentieth century, though, confusingly, the Third Ring was built last. Geographical constraints can complicate the construction of a complete ring road. For example, the Baltimore Beltway in Maryland formerly crossed Baltimore Harbor on a high arch bridge prior to its collapse in 2024, and much of

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1504-451: The downtown core. It is a freeway for its entire 78-kilometre (48 mi) length, and was built to reduce inner-city traffic congestion, created a bypass of Yellowhead Trail, and has improved the movement of goods and services across Edmonton and the surrounding areas. It was completed in October 2016 as the first free-flowing orbital road in Canada. Stoney Trail is a ring road that circles

1551-678: The government announced a comparable proposal to upgrade the North Perimeter Highway, PTH 101, to full freeway standards. The first portion of this upgrade included the closure of multiple uncontrolled medians and accesses. A larger functional design study has since been commissioned to determine the final recommendations for the North Perimeter Highway, which is expected to be complete by 2025. Exit numbering begins at Fermor Avenue and increases clockwise. Beltway A ring road (also known as circular road, beltline , beltway , circumferential ( high ) way , loop or orbital )

1598-436: The highway in the early 2010s when PTH 190 , Centreport Canada Way, was constructed. In addition to the interchange that connected to this new highway, a flyover was constructed over Saskatchewan Avenue (PR 425) and the adjacent railway crossing; and the median was closed at the entrance to Assiniboia Downs leaving only right-in/right-out access from the southbound side. In 2018, the province announced its intention to upgrade

1645-643: The highway's concurrent use as a through Interstate on its eastern portion. The longest complete beltway in the United States is the Charles W. Anderson Loop , a 94-mile (151 km) loop in Texas that forms a complete loop around the Greater San Antonio area. The longest complete belt road, or a beltway that is only two lanes, in the United States is Hawaii Belt Road , a 260-mile (420 km) belt in Hawaii that forms

1692-528: The long-proposed Outer Beltway around Washington, D.C., where options for a new western Potomac River crossing are limited by a nearly continuous corridor of heavily visited scenic, natural, and historical landscapes in the Potomac River Gorge and adjacent areas. When referring to a road encircling a capital city, the term "beltway" can also have a political connotation, as in the American term " Inside

1739-518: The need for a northeast section less pressing. PTH 59 continued to serve as the de facto northeast leg of the Perimeter until the mid-1990s, when PTH 59 and PTH 15 were connected. The last remaining two-lane section was the PTH 59 north interchange, which was upgraded over a three-year span ending in 2018. The highway now encircles Winnipeg as a four-lane roadway. Improvements were made to the western segment of

1786-683: The northeast quadrant of the city. Hamilton , Ontario, has the Lincoln M. Alexander Parkway , Highway 403 and the Red Hill Valley Parkway which form a ring on three sides. Sudbury , Ontario, has a partial ring road consisting of the Southwest and Southeast Bypasses segment of Highway 17 , and the Northwest Bypass segment of Highway 144 . An unofficial northeast "bypass" route can also be completed on city arterial roads that largely bypass

1833-633: The original country road still exist in the Rural Municipalities of Taché and Ste. Anne , but is no longer a continuous road. Outside of Winnipeg, the road is generally spelled Ste. Anne's Road (French: Chemin Sainte-Anne ). In 2013, the Manitoba government unveiled future plans to construct an interchange at the junction of the Perimeter and St. Anne's Road, to replace the at-grade intersection and traffic lights that currently exist. This plan

1880-522: The parent road, later reconnecting with the same highway. Such loops not only function as a bypass for through traffic, but also to serve outlying suburbs . In the United States, an Interstate highway loop is usually designated by a three-digit number beginning with an even digit before the two-digit number of its parent interstate. Interstate spurs, on the other hand, generally have three-digit numbers beginning with an odd digit. Circumferential highways are prominent features in or near many large cities in

1927-678: The partially completed Stockholm Ring Road in Sweden runs through tunnels or over long bridges. Some towns or cities on sea coasts or near rugged mountains cannot have a full ring road. Examples of such partial ring roads are Dublin's ring road ; and, in the USA, Interstate 287 , mostly in New Jersey (bypassing New York City), and Interstate 495 around Boston , none of which completely circles these seaport cities. In other cases, adjacent international boundaries may prevent ring road completion. Construction of

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1974-468: The ring road. One of the most renowned ring roads is the Vienna Ring Road ( Ringstraße ), a grand boulevard constructed in the mid-19th century and filled with representative buildings. Due to its unique architectural beauty and history, it has also been called the "Lord of the ring roads", and is declared by UNESCO as part of Vienna's World Heritage Site . Major European cities that are served by

2021-562: The term is the most commonly used, with "orbital" also used, but to a much lesser extent. In Europe and Australia, some ring roads, particularly longer ones of motorway standard, are known as "orbital motorways". Examples are the London Orbital (generally known as the M25; 188 km), Sydney Orbital Network (110 km) and Rome Orbital (68 km). In the United States many ring roads are called beltlines , beltways or loops , such as

2068-501: The traffic signals at PTH 3 (McGillivray Blvd) in Oak Bluff will be replaced with an interchange, a project that is currently in the planning and detailed design phase. Recently, the government announced the start of the planning phase for the next major construction project, which will collectively replace the traffic signals at St. Anne's Road with an interchange, and replace the adjacent at-grade CPR crossing with an overpass. In 2021,

2115-451: The upgrades potentially tying in with a new by-pass around St. Norbert . Initial upgrades include the ongoing construction and improvement of various service roads, and the construction of multiple interchanges to replace the various traffic lights on the highway. The first major upgrade from this plan, the replacement of the traffic signals at St. Mary's Road with an interchange, is expected to be complete by 2024. Following its completion,

2162-472: The urban core of the city, but are not fully controlled-access and must be shared with local traffic in the Nickel Centre and Rayside-Balfour districts of the city. Most major cities in Europe are served by a ring road that circles either the inner core of their metropolitan areas or the outer borders of the city proper or both. In major transit hubs, such as the Île-de-France region surrounding Paris and

2209-494: Was awarded the contract ($ 80,157) to supply the structural steel for the overpass. When constructed, the Perimeter Highway was located entirely in surrounding municipalities well outside of Winnipeg's official city limits, however roughly one-quarter of the highway is now inside proper city limits following the municipal amalgamation of Winnipeg in 1972. The Perimeter Highway was originally unconnected between PTH 59 and PTH 15 as PTH 59 had received significant upgrades, making

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