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31-493: Interstate 410 ( I-410 ), colloquially Loop 410 , is an auxiliary route of I-10 around San Antonio, Texas . It is identified as the Connally Loop in honor of former Texas Governor John Connally . I-410 circumnavigates the city of San Antonio, officially beginning and ending at the junction with I-35 on the southwest side of the loop. There are vast differences between the northern arc and southern arc of

62-502: A conflict between those who support a bypass to reduce congestion in a built-up area and/or as replacement for roads that became obsolete and inactive because devastating natural disasters — those who oppose the development of (often rural) undeveloped land. A city may also oppose the project, because of the potential reduction in city core. In Ontario , examples include the Donald Cousens Parkway (formerly named

93-614: A place where the highway mileage resets to zero. Beltways are also preceded by an even number in the first digit. Some examples of beltways include: Bypass (road) If there are no strong land use controls, buildings are often built in town along a bypass, converting it into an ordinary town road, and the bypass may eventually become as congested as the local streets it was intended to avoid. Many businesses are often built there for ease of access, while homes are often avoided for noise and pollution reasons. Bypass routes are often on new land where no road originally existed. This creates

124-458: A state. There are three states that have no auxiliary Interstate Highways: Alaska, Arizona, and New Mexico. North Dakota has an auxiliary route, but it is unsigned , and Wyoming's does not meet Interstate Highway standards. Auxiliary Interstates are divided into three types: spur , loop , and bypass routes. The first digit of the three digits usually signifies whether a route is a bypass, spur, or beltway. The last two digits are derived from

155-495: Is a series of tunnels between Central and Causeway Bay . Malaysia also contain several bypasses such as Rawang Bypass , Kajang Bypass , Bidor Bypass and Kuala Terengganu Bypass . Bypass roads (or in other cases "diversion roads") in the Philippines are generally considered on national highways passing through a densely populated city or municipality. Local governments usually promote construction of bypasses where

186-508: Is also sometimes used to refer to a short temporary roadway built to bypass a construction site or other temporary obstruction. The U.S. Manual on Uniform Traffic Control Devices uses the term "diversion". In Brazil the widest and busiest bypasses are located in the state of São Paulo, and many of them intersect and merge around large cities to form ring-like systems. Most notably the Rodoanel Mário Covas , which encircles

217-1134: The East Kowloon Corridor , the West Kowloon Corridor , and the Lung Cheung and Ching Cheung Roads . Later ones are named directly as bypasses, such as Kwun Tong Bypass , Hung Hom Bypass , and the Ma On Shan Bypass . Other bypasses include the Tai Po Section of the Tolo Highway , the section within the Tuen Mun New Town of the Tuen Mun Road , the Yuen Long Highway , and the West Kowloon Highway . The Central-Wan Chai Bypass , which costs HK$ 28.1 billion,

248-568: The St. Joseph Valley Parkway ), and Interstate 75 bypassing Tampa and St. Petersburg, Florida . These bypasses usually carry mainline routes rather than auxiliary "bypass" routes. The first bypass route in the United States was completed in 1958 as Alabama State Route 210 (Ross Clark Circle) in Dothan, Alabama . In the United States, the term shoofly – a borrowing from railroad jargon –

279-510: The "San Antonio Web". Exit numbers correspond to mileage from the south junction with I-35 . The entire highway is in Bexar County . List of auxiliary Interstate Highways Auxiliary Interstate Highways (also called three-digit Interstate Highways ) are a subset of highways within the United States' Interstate Highway System . The 323 auxiliary routes generally fall into three types: spur routes , which connect to or intersect

310-778: The Markham Bypass from 2004 to 2006) and the Box Grove Bypass in the city of Markham ; and in Toronto a section of Highway 401 was called the Toronto Bypass in the 1950s when the highway was built as a bypass of Highway 2 , Ontario Highway 2A which was built to bypass Highway 2 between Toronto and Newcastle , and the Caledonia Bypass, a section of Highway 6 in Caledonia. In Nova Scotia ,

341-424: The United States, primary routes are designated with a one- or two-digit number , while bypasses and loops are generally designated with a three-digit number beginning with an even digit . However, there are many exceptions to this convention, where routes with three-digit numbers serve the main route through town while the routes with one- or two-digit numbers serve as the bypass. A few such examples can be found in

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372-672: The city growing primarily to the north, I-410 required widening along this stretch. It was expanded to six lanes in the late 1970s and early 1980s from Ingram Road to I-35 north. It was further expanded to six lanes from Ingram Road to Valley Hi Road in 1987. An additional westbound lane was added from I-10 west to Babcock Road in 1996. I-410 was widened from the late 1990s through early 2010s along its entire northern arc from Culebra Road to Austin Highway, with five lanes each way and interchange reconstructions at I-10 and San Pedro Avenue, and an entire new interchange at US 281, officially called

403-502: The city of São Paulo and passes through other cities in the metropolitan area, is the largest project of such type with a planned total length of 180 km upon completion. It is divided into sections and connected to major highways and while not being a toll road itself, accesses to other motorways are often placed through toll booths. Hong Kong contains several bypasses. The first are the Island Eastern Corridor ,

434-563: The exception of Loop 1604 , which forms a secondary loop around the city, and Wurzbach Parkway , which is located about two miles (3.2 km) outside the loop on the north side. I-410 serves San Antonio International Airport , Lackland Air Force Base , Fort Sam Houston , the South Texas Medical Center , Southwest Research Institute , and Toyota Motor Manufacturing Texas . Like most cities in Texas, San Antonio

465-583: The loop. The northern arc serves the heavily urbanized portions of San Antonio and is currently being widened to as many as five lanes in each direction. The southern arc resembles more of a rural Interstate as it transverses, for the most part, undeveloped portions of San Antonio as a four-lane Interstate. I-410 intersects I-10 twice, I-35 twice, I-37 once, as well as U.S. Highway 90 (US 90), US 281 , and State Highway 151 (SH 151), all freeways in Greater San Antonio with

496-562: The main Interstate Highway. For instance, I-115 contains an odd number in the first digit (1), which indicates that this freeway is a spur. The last two digits signify the highway's origin. In this case, the "15" in I-115 shows that it is a supplement to I-15 . Exceptions to the standard numbering guidelines exist for a number of reasons. In some cases, original routes were changed, extended, or abandoned, leaving discrepancies in

527-458: The metropolitan areas of Des Moines, Iowa ( Interstate 235 goes through downtown, while Interstate 35 and Interstate 80 bypass downtown), Omaha, Nebraska ( Interstate 480 traverses the downtown area , while Interstate 80 is one of the bypasses), and Pittsburgh, Pennsylvania (the city is served by Interstate 279 and Interstate 376 , while Interstate 70 , Interstate 76 , and Interstate 79 all bypass city limits). Another meaning of

558-473: The mid-1950s with construction beginning on the northwest portion of the loop near I-10. On October 15, 1960, Loop 13 from I-10 to I-35 was redesignated as Loop 410 for continuity purposes. By 1961, the freeway had been completed from I-35 on the southwest side to just east of US 281 near the airport, where it continued once to the east as a four-lane highway to I-35. By 1964, the southern arc had been extended eastward from I-35 to Roosevelt Avenue and

589-492: The old bypass route of U.S. Route 71 to the east of Kansas City, Missouri was decommissioned as Interstate 435 supplanted it; the remainder that existed as suburban surface route became Missouri Route 291 . Around St. Louis, Missouri , what had been U.S. Route 50 Bypass was absorbed into a diversion of U.S. Route 50 from Interstate 44 and Interstate 64 . In the Interstate Highway System in

620-542: The parent route at one end; bypasses , which connect to the parent route at both ends; and beltways , which form a circle that intersects the parent route at two locations. Some routes connect to the parent route at one end but to another route at the other end; some states treat these as spurs while others treat them as bypasses. Like the primary Interstate Highways , auxiliary highways meet Interstate Highway standards (with rare exceptions ). The shorter auxiliary routes branch from primary routes; their numbers are based on

651-489: The parent route's number. All of the supplement routes for Interstate 95 (I-95) are designated with a three-digit number ending in "95": I-x95. With some exceptions, spur routes are numbered with an odd hundreds digit (such as I-395 ), while bypasses and beltways are numbered with an even hundreds digit (such as I-695 ). Because longer Interstates may have many such supplemental routes, the numbers can repeat from state to state along their route, but they will not repeat within

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682-415: The same Interstate, some states treat these as bypasses while others treat these as spurs—see Spur route above. A beltway (also known as a loop route ) completely surrounds a metropolitan city, and it is often connected with multiple junctions to other routes. Unlike other auxiliary Interstate Highways (and by extension, all primary Interstate Highways ), beltways do not have termini; however, they have

713-859: The section of Highway 104 between Thomson Station and Masstown is colloquially named the Cobequid Pass ; this name is for a section of road that bypasses the Wentworth Valley by crossing the Cobequid Mountains . The idea of bypasses predates the use of motor vehicles. The first (northern) London bypass, the present Marylebone Road between Paddington and Islington , was started in 1756. Bypasses can take many years to gain planning approval and funding. Many towns and villages have been campaigning for bypasses for over 30 years e.g. Banwell in North Somerset . There

744-516: The system. In other cases, it may not be possible to use the proper number because the limited set of available numbers has been exhausted, causing a "non-standard" number to be used. A spur route 's number usually has an odd number for its first digit. It is usually one of the following: Examples include: Sometimes, a three-digit Interstate Highway branches off from another three-digit Interstate Highway. These spurs do not connect directly with their parent highways, but are associated with them via

775-447: The term bypass route (usually simply called a bypass ) is a highway that was constructed to bypass an area that is often congested with traffic. This includes Interstate Highway beltways and U.S. Highways constructed to circumvent downtown areas. Examples of these are U.S. Route 60 bypassing Williamsburg, Virginia , Interstate 285 bypassing Downtown Atlanta , U.S. Route 20 / U.S. Route 31 bypassing metro South Bend, Indiana (on

806-472: The three-digit highways they do intersect with. Examples include: A bypass route may traverse around a city, or may run through it with the mainline bypassing. In a typical 3-digit Interstate Highway, bypasses usually have both its two termini junctioned with another Interstate highway. Bypass routes are preceded by an even number in the first digit. Examples include: In the case of an auxiliary Interstate highway which has both ends at Interstates but not

837-600: The town, but the designation was changed to "bypass" in 1959 by AASHTO . However, many "truck" routes remain where the mainline of the highway is prohibited for trucks. In a few cases, both a bypass and a business route exist, each with auxiliary signs (e.g. U.S. Route 60 in Lexington, Kentucky ). Bypass routes are less common than business routes. Many of those that existed before the era of Interstate Highways have lost their old designations. For example, in Missouri ,

868-725: Was chosen in reference to the First Battle of Newbury of 1643 and the Second Battle of Newbury of 1644, both of which took place close to the town during the English Civil War . In the United States , bypass routes are a type of special route used on an alternative routing of a highway around a town when the main route of the highway goes through the town. The original designation of these routes were "truck routes" to divert through truck traffic away from

899-642: Was large-scale protest during construction of the Newbury bypass —officially known as the Winchester–Preston Trunk Road (A34) (Newbury Bypass)—a 9-mile (14 km) stretch of dual carriageway which bypasses the town of Newbury in Berkshire , England . The protest was popularly known as the Third Battle of Newbury , a name which was also adopted by one of the main protest groups. The name

930-410: Was served by a loop around the city long before the arrival of the Interstate Highway System . Loop 13 , although not a freeway, served in this role up until the 1950s, when many of San Antonio's freeways were constructed. The northern half of Loop 13 followed the current path of I-410 while the southern half still exists on the south side of San Antonio. Much of the freeway was proposed during

961-463: Was under construction from Roosevelt Avenue to I-35 on the east side of the city. By 1967, the eastern arc had been completed to Interstate Highway standards , and the remaining portion from US 281 to I-35 on the city's north side had been completely built to Interstate Highway standards but still carried the Loop ;410 designation until July 31, 1969, when it officially became I-410. Due to

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