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91-851: Interstate 465 ( I-465 ), also known as the USS Indianapolis Memorial Highway , is the beltway circling Indianapolis , Indiana . It is roughly rectangular in shape and has a perimeter of approximately 53 miles (85 km). It lies almost completely within the boundaries of Marion County , except for two short sections on the north leg in Boone and Hamilton counties. It intersects with I-65 , I-69 , I-70 , and I-74 and provides additional access to I-65 via I-865 . Starting as exit numbers do, I-465 begins at an interchange with I-65 at exit 53, running concurrently with I-69 , I-74 , US 31 , US 36 , US 40 , and SR 67 . Moving west, US 31 leaves

182-413: 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

273-669: 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

364-545: A four-lane freeway, concurrent with US 29, US 78, and SR 8, and crosses McNutt Creek to enter Clarke County and Athens as it meets a partial cloverleaf interchange with US 129 , US 441 and SR 15 , which includes a connection to Timothy Road to the north. Those three routes join SR ;10 Loop as it continues east and crosses the Middle Oconee River . The freeway then curves to

455-490: A full circumferential, so using non-Interstate federal funding and employing a temporary designation of SR 100, they planned a separate 17th segment northward between I-65 at its exit 123 and the north leg of I-465 in Boone County. By the time that added section was completed in 1970, Indiana had obtained federal approval to sign it as I-465 as well, resulting in the creation of a dogleg section of I-465 outside of

546-534: 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: Georgia State Route 10 Loop (Athens) Between exits 4 and 8, there is an eight-route concurrency , consisting of US 29, US 78, US 129, US 441, SR 8, SR 10 Loop, SR 15, and

637-594: A short segment of Georgia State Route 10 Loop in Athens, Georgia , for the largest concurrency in the United States. A beltway for Indianapolis was part of the original plan of the Interstate Highway System in 1955. The general alignment was to be either on or adjacent to the now-defunct SR 100 , which, by then, had only two completed legs—on the north side, along 86th Street west of

728-760: A three-route concurrency within the Interstate Highway System , the other two (both in Wisconsin) being in Milwaukee and between Madison and Portage . Indianapolis native David Letterman had quintuple bypass surgery in 2000, and, two years later, suggested on his show that I-465 should be renamed the David Letterman Bypass , going so far as to call the mayor of Indianapolis during the Late Show with David Letterman . At

819-528: 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

910-492: 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

1001-532: 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

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1092-405: 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

1183-413: 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

1274-497: Is an on-ramp to a campus parking lot that is normally closed, but is used on home football game days to allow departing spectators access onto inner 10 Loop directly from campus. Northeast of here, the highway crosses the North Oconee River and meets a folded diamond interchange with SR 10 , which is Oconee Street west of the interchange and Lexington Road east of it. At this interchange, US 78 splits from

1365-417: 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

1456-474: 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

1547-943: 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

1638-495: 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

1729-538: The White River and 82nd Street east of the river, and on the east side, along Shadeland Avenue. On the city's west side, an alignment corridor paralleling High School Road was preferred, and, on the south side, one between Hanna Avenue and Thompson Road had been proposed. Development along 86th Street made its use unfeasible for I-465, so a 91st Street alignment was initially proposed. This proved to be controversial and caused many delays in final alignment selection for

1820-680: 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

1911-415: 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

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2002-604: 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

2093-468: 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

2184-664: The I-69/Binford interchange southward to Fall Creek. The Keystone Avenue partial cloverleaf interchange was reconfigured to allow free-flowing access for most of the movements between I-465 and Keystone. Although Keystone operates as a controlled-access highway both north of I-465 and up to the first junction south of the Interstate, the movements from westbound I-465 to southbound Keystone and from eastbound I-465 to northbound Keystone are not free-flowing but are left turns controlled by traffic lights. At Allisonville Road,

2275-581: The Interstate southbound at exit 2. All routes that I-465 meets in this direction (clockwise) move the opposite direction (counterclockwise), except US 52 . I-69 leaves the beltway at exit 5 before crossing the White River. Afterwards, at exit 8, SR 67 also exits the loop with Kentucky Avenue. I-465 then meets I-70 at exit 9 near the Indianapolis International Airport . After this interchange,

2366-767: The Interstate then changes direction. Now northbound, US 40 leaves at exit 12, followed by US 36 at exit 13, towards Plainfield and Avon , respectively. I-74 finally leaves the beltway at exit 16, and US 136 ends just past the interchange. At exit 20, I-465 has a directional access interchange with its parent, I-65 . Before the Interstate turns east, at exit 25, I-865 moves west toward I-65 northbound. I-865 eastbound merges into I-465 east, bringing eastbound US 52 with it. As previously mentioned, I-465 then turns east. Moving eastbound, US 421 meets at exit 27. US 421 northbound exits from westbound I-465, and US 421 southbound enters eastbound. US 31 south also enters

2457-486: 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 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

2548-570: The Oconee Connector, access to which is incomplete; the outer loop has only an exit, and the inner loop has only an entrance. Finally, the highway curves back to the east and meets the interchange with US 29, US 78, SR 8, and SR 316, where the exit numbers reset and the loop begins again. The entire length of SR 10 Loop is part of the National Highway System , a system of routes determined to be

2639-551: The Pacific during World War II . Signs for this designation have been erected sporadically around the loop, but the highway is still referred to nearly exclusively as "I-465" or simply "465" by most locals. Remaining sections of the I-465 beltway that are still awaiting reconstruction or widening projects include the west leg junction with I-65, the north leg between I-865 and US 31 north/Meridian Street, and several portions along

2730-457: The US ;129/SR 15 interchange, which also had US 29 Temp. and US 441 Temp. , to the US 29/SR 8 interchange. US 441 Temp. was designated on it from the US 129/SR 15 interchange to the US 441/SR 15 Alt. interchange. A western extension of SR 350, ending at US 29/US 78/SR 8/SR 10, was under construction. Also, SR 350

2821-461: 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

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2912-592: 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

3003-490: The area were swapped to their current paths. In 1995, US 29/SR 8 was also shifted to the southern side of the freeway, concurrent with US 78/SR 316. SR 72's western terminus was once again truncated to its current location. In 2001, US 129/US 441/SR 15 was placed on a southern concurrency with the freeway for less than 0.5 miles (0.80 km). This brief concurrency ended at Macon Highway. The next year, US 129/US 441/SR 15

3094-480: The beltway at exit 31. After passing former SR 431 (Keystone Parkway) at exit 33, I-69 southbound enters I-465 in this direction at exit 37. Afterwards, I-465 turns southward. After the directional change, the Interstate meets Shadeland Avenue, former SR 100 , at exit 40. At exit 42, westbound US 36 and southbound SR 67 reenter the beltway. I-70 once again meets I-465 at exit 44. At exit 46, US 40 west reenters

3185-436: The beltway, while US 52 leaves at exit 47. US 421 leaves at exit 49, and I-74 west enters the loop at the same exit. Along with this, I-465 completes its final directional change westbound. Now moving westbound again, I-465 only has one more interchange (exit 52) before meeting I-65 once again at exit 53, and exit numbers then reset. All U.S. and state highways that formerly were routed through

3276-579: The central part of Indianapolis are now routed concurrently with I-465. Only I-65 and I-70 run through Downtown Indianapolis . Non- Interstate Highway route markers are not posted along I-465 itself; rather, signs on the entrance ramps direct traffic traveling a particular route to follow I-465 to a specific exit to continue on that route. Despite being unsigned, an approximately one-mile (1.6 km) section between exits 46 and 47 carries eight designations: I-465, I-69, US 31, US 36, US 40, US 52, US 421, and SR 67, tied with

3367-790: The city core. Ring roads can also serve to connect suburbs to each other, allowing efficient travel between them. The name "ring road" 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

3458-475: 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

3549-457: The city was redesignated as SR 8 Bus., still concurrent with US 78/SR 10. In 1967, US 29 was extended on the freeway one interchange to the east. At this interchange, SR 72 was extended southeast to end here, concurrent with US 29/SR 8. In 1976, SR 72 was indicated to be "projected mileage" from this point south to US 78/SR 10, then southwest and west to end at US 441/SR 15. In 1980,

3640-472: The completion of the I-465 beltway around Indianapolis. The first of the major post-completion rebuild and expansion projects occurred from 1999 to 2002, when the heavily traveled northern section of the east leg was modernized and expanded to as many as 13 lanes in one short portion. Concurrently, the east junction with I-70 was rebuilt and reconfigured. In 2000, the Emerson Avenue interchange on

3731-614: 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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3822-509: 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

3913-492: The eastern US 78/SR 10 Bus. interchange. Its old path through downtown, still concurrent with US 78, was redesignated as SR 10 Bus. At this time, SR 72 was re-extended to the northeastern interchange. The next year, SR 10 was shifted back to downtown, with SR 10 Loop designated on the freeway. US 78 was shifted to the southern side of the freeway, with its former path redesignated as US 78 Bus. In 1991, SR 15 and SR 15 Alt. in

4004-488: 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 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

4095-413: The entire northeastern portion of I-465. All three interchanges along the freeway in this stretch—Keystone Avenue (exit 33), Allisonville Road (exit 35) and I-69/Binford Boulevard (exit 37)—were to be modified and rebuilt. As this project progressed, financial constraints prompted INDOT to scale back its scope. The reconstruction of I-465 between the White River bridge and Fall Creek, including

4186-692: The freeway and turn north along Commerce Road. SR 10 Loop then curves in a southwesterly direction and crosses the North Oconee River again before coming to another diamond interchange, this one with Chase Street. SR 10 Loop continues southwest and crosses the CSX railroad again, then dips to the north and intersects SR 15 Alternate, which is Prince Avenue south of the interchange and Jefferson Road north of it. At this interchange, US 129 leaves SR 10 Loop and joins SR 15 Alternate heading north towards Jefferson . The freeway's next exit to

4277-449: The freeway was completed along this path, with US 129/US 441/SR 15 designated on it. The next year, the portion of the freeway between US 29/SR 8/SR 72 and US 78/SR 10 on the northeastern part was downgraded to a divided highway. In 1983, the final piece of the freeway on the southwestern part was indicated to be designated as SR 732 as projected mileage. US 129/US 441/SR 15 Alt.

4368-433: The highway and turns east, and its business route (US 78 Bus.) begins and heads west toward the center of the city. North of this interchange, SR 10 Loop curves to the northwest and intersects with Peter Street and Olympic Drive at a partial cloverleaf interchange, then crosses Trail Creek and a CSX railroad , then meets an interchange with Old Hull Road. This interchange does not provide complete access between

4459-665: 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

4550-579: The interchange was converted into a more efficient SPUI configuration. Finally, though the interchange itself was not rebuilt, the I-69/Binford Boulevard junction had two ramps slightly modified to facilitate better traffic flow. As part of the major project to upgrade 13 miles (21 km) of US 31 in Hamilton County to a full Interstate-standard freeway, the I-465 north leg interchange at Meridian Street (exit 31)

4641-417: The interchange with I-69, began in 2022 under a separate project announced in 2015 and formally relaunched as "Clear Path 465" in 2017. The original, scaled-back project concluded by the end of 2012. The beltway's mainline was reconstructed with additional travel and auxiliary lanes being added in two separate segments—from east of Meridian Street to Allisonville Road and from a point at the southeast end of

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4732-414: The interstate's completion. On August 6 and 9, 2024, the interchange between I-69 and I-465 on the southwest side of Indianapolis (exit 5) officially opened to traffic, with I-69 running concurrently with I-465 on the southeast half of the beltway between exits 5 and 37. With the portion between exits 5 and 49 also including part of the existing concurrency of I-465 and I-74, this created another instance of

4823-495: The junction with I-465's south leg, which would also be modified. To reduce congestion at and near that interchange, the loop ramp from westbound I-465 to southbound I-65 was replaced by a flyover ramp. The eastbound I-465 exit to southbound I-65 was also expanded for smoother merging with the new west-to-south flyover. In addition, grade separations over I-465 were replaced on Sherman Drive and Carson Avenue to allow for longer and wider approaches to this busy junction. Most of this work

4914-542: 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

5005-474: The loop (now signed as I-865 ). State highway officials concentrated on building the west and south legs of I-465 early in the overall project, since they were the missing portions of the SR 100 concept. Construction began in 1959, and the first section of the I-465 beltway to be completed was the portion on the west leg between I-65 near Eagle Creek Park and I-74/ US 136 in Speedway . That section

5096-426: The most important for the nation's economy, mobility, and defense. The highway that would eventually become SR 10 Loop was established as SR 350 between June 1960 and June 1963. It extended from US 129/SR 15 in the northwestern part of the city to US 29/SR 8 in the northeastern part. The entire divided highway was paved. By the end of 1965, US 29 was designated on SR 350 from

5187-511: The movements missing from the aforementioned interchange: an exit from the inner loop and an entrance to the outer loop. West of this interchange, the freeway passes over the western fork of Trail Creek, then meets a partial cloverleaf interchange with North Avenue and Danielsville Road. Farther west, it intersects Dr Martin Luther King Jr Parkway and Commerce Road at a diamond interchange. Here, US 441 and SR 15 leave

5278-481: The next to be completed, with three opening in the second half of 1963 and two more on October 15, 1964. This completed both the south leg and the first segment of the east leg and included a connection from a point just north of the Raymond Street grade separation to SR 100 (Shadeland Avenue) at Washington Street ( US 40 ). With these sections open, the full length of I-74's concurrency over I-465

5369-465: The north leg of I-465 began to take shape in the late 1960s. The section between US 421 (Michigan Road) and US 31 (Meridian Street) was the first on this side of town to see traffic on October 20, 1968. A year to the day later, the segment from US 31 to Keystone Avenue (then SR 431 ) was opened to motorists. The next month, in November ;1969, the north extension of

5460-533: The north leg, postponing its construction by several years. The I-465 beltway was constructed in segments. There were 16 segments along the original proposed semicircumferential alignment between I-65 in Boone County at exit 129 and that same highway six miles (9.7 km) to the south at exit 123 in Marion County . Indiana highway officials recognized the value of having the route be

5551-559: The northeast and intersects Milledge Avenue, where SR 15 Alternate begins, heading north from the interchange. After this intersection, SR 10 Loop crosses a Georgia shortline railroad and turns to the northeast, where it meets College Station Road at a diamond interchange . At this point the highway right-of-way abuts the University of Georgia campus; immediately north of the College Station Road interchange

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5642-711: 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

5733-413: The opening of the next segment over three years. In January 1968, two sections of the east leg, between US 36 / SR 67 (Pendleton Pike) and the SR 100 junction near Raymond Street, were completed and opened a day apart. This allowed through traffic from both US 36 and SR 67 to bypass the increasingly congested SR 100. The interchange with I-70 in this newly opened section

5824-500: The original west leg of the loop between July 2007 and December 2012. This project completely rebuilt and added new travel lanes, added auxiliary lanes, rebuilt many grade separations, and reconfigured nearly all of the interchanges along I-465 from just north of the Kentucky Avenue (SR 67 south) interchange to the 56th Street partial interchange. The junction with I-74 and Crawfordsville Road ( US 136 west)

5915-522: 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

6006-691: 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

6097-476: 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

6188-424: The south leg was converted from a conventional diamond to a single-point urban interchange (SPUI), becoming the first SPUI on the I-465 beltway. Between 2004 and 2005, the north extension of I-465's west leg between I-65 and I-865 was rebuilt to widen and update the freeway in this heavily traveled section located along the western edge of the massive Park 100 commercial and industrial development. This segment

6279-429: The south leg. Beltway A ring road (also known as circular road, beltline , beltway , circumferential ( high ) way , loop or orbital ) 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

6370-632: The southern side of both 86th and 71st streets, which included grade separations with the east-to-south ramps at both interchanges. In April 2002, the Indiana Department of Transportation (INDOT) announced the redesignation of the dogleg portion of I-465 as I-865 . This change eliminated the three-way intersection of I-465 where the north extension of the west leg met the original north leg (at exit 25). INDOT completed an $ 800-million (equivalent to $ 1.05 billion in 2023) project called Accelerate 465 to refurbish and reconfigure

6461-498: The southwest is a diamond interchange with Tallassee Road and Oglethorpe Avenue. Farther southwest, SR 10 Loop crosses the Middle Oconee River again, then intersects SR 10 and US 78 Bus at a partial cloverleaf interchange with Atlanta Highway. Then, SR 10 Loop curves back to the southeast, crosses McNutt's Creek, leaving Athens and crossing back into Oconee County. The freeway has one final exit with

6552-528: The term ring road, as in Melbourne 's Western Ring Road , Lahore 's Lahore Ring Road and Hyderabad 's Outer Ring Road . In Canada 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

6643-480: The time of the gag on his show, Letterman had offered $ 10 million (equivalent to $ 16.2 million in 2023) for the honor, later offering just to pay to change the signs. In 2011 the Indiana General Assembly passed a resolution officially designating I-465 as "USS Indianapolis Memorial Highway" in "the memory of the brave sailors who lost their lives" when USS Indianapolis was sunk in

6734-629: 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 ,

6825-422: The two roads; there is only an exit going northbound and only an entrance from Old Hull Road going southbound. Just north of here, the highway meets an interchange at which US 29 and SR 8 continue north towards Hartwell and Greenville, South Carolina while SR 10 Loop, US 129, US 441, and SR 15 exit and turn due west. This interchange also completes access to Old Hull Road by providing

6916-514: The unsigned SR 422. This concurrency contains the most highways in a single United States concurrency, tied with a section of the I-465 beltway circling Indianapolis, Indiana . SR 10 Loop begins at an interchange with US 29 , US 78 , SR 8 and SR 316 to the south, and Epps Bridge Parkway to the north in Oconee County south of Athens . It heads east as

7007-415: The upgrade of the at-grade junction at Peter Street and Olympic Drive to a partial cloverleaf interchange . The folded diamond interchange at SR 10 (Lexington Road/Oconee Street; Exit 8) is planned to be upgraded in 2025. A new ramp will be built from SR 10 and Barnett Shoals Road to access the outer loop alongside a project that will widen SR 10. It is undecided whether the existing loop ramp from SR 10 to

7098-479: 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

7189-511: The west leg was completed and signed as I-465 (although it was considered to be "added mileage" by the Federal Highway Administration (FHWA) since it was built to Interstate standards using non-Interstate funds by Indiana), but only the portion between I-65 and 86th Street was opened to traffic because the segment of the north leg to which it would connect was not yet complete. That occurred on August 18, 1970, when

7280-546: The western end of the north leg between I-65 near Royalton and Michigan Road (US 421) was finished and opened to traffic. At that time, the final connection on the north extension of the west leg to 86th Street was also opened, leaving only one remaining gap in the entire I-465 route. The final section of I-465 to be built was the portion joining the north and east legs between Keystone Avenue (then SR 431) and 56th Street at Shadeland Avenue (then SR 100). This stretch opened to traffic on October 5, 1970, and marked

7371-494: Was added at exit 21 which bridges over 71st Street to directly deposit motorists onto eastbound 73rd Street. On the mainline, dual auxiliary lanes were added in each travel direction between these interchanges and the 79th Street grade separation over I-465 was demolished and rebuilt to allow for the widened freeway below. Distinctive decorative features were also incorporated into most of the grade separation structures within this project. Also, bicycle paths were established along

7462-434: Was completed in late 2014. In 2022, construction began on Clear Path 465, a project involving widening I-465 between the White River and Fall Creek, as well as rebuilding the interchange of I-465 and I-69 in the northeast region of Indianapolis. As part of this project, the interchange will be reconfigured to provide a direct movement for traffic on I-69 to continue onto I-465 southbound, which will be concurrent with I-69 upon

7553-407: Was designated on the freeway from the southern end to their current respective interchanges. In 1985, US 441 Temp. was no longer shown on maps. SR 72's western terminus was truncated to the far northeastern part of the city, at its current location. In 1987, the freeway was completed in the southwestern part of the city. SR 10 was designated on it from the original western terminus to

7644-442: Was not yet complete, and its ramps did not open until the opening of that route's mainline between SR 100/Shadeland Avenue and SR 9 near Greenfield on December 2 of that year. On October 23, 1968, the section of I-465 between Pendleton Pike and 56th Street at Shadeland Avenue was finished and opened to traffic, completing the east leg's eastern bypass of SR 100. With its alignment controversies now settled,

7735-485: Was now available for motorists. The south leg's junction with I-65 was also completed, but I-65 itself was open only between a temporary intersection at Thompson Road to the south and the Keystone Avenue interchange 1.18 miles (1.90 km) north of I-465 until early 1971. With SR 100/Shadeland Avenue connected to the full southern and western bypass of Indianapolis, work on I-465's east leg slowed, delaying

7826-499: Was opened to traffic on September 26, 1961, simultaneously with the adjacent section of I-65 northwest from there running 1.48 miles (2.38 km) to 71st Street. By July 18, 1962, all four segments of the original west leg were open between SR 67 (Kentucky Avenue) and I-65, but the interchange with I-70 in that stretch was not completed until much later that decade when the segment of that route from I-465 west to SR 43 opened in 1968. The south side sections were

7917-476: Was rapidly becoming functionally obsolete due to continued growth of that complex as well as that of other nearby residential and commercial projects in Pike Township . Both interchanges along this stretch, 71st Street (exit 21) and 86th Street (exit 23), were totally rebuilt while remaining open to traffic and had loop ramps added for west-to-south movements. In addition, a new northbound exit ramp

8008-471: Was reconfigured between October 2013 and December 2015 (with some additional work continuing until November 22, 2016) to the present partial directional (system interchange) design which allows for free-flow movements to or from the new US 31 freeway to the north. As part of its Operation Indy Commute project, INDOT began work in 2013 to widen I-65 on both its northbound and southbound mainlines from exit 103 at Southport Road northward to

8099-467: Was reconfigured to allow direct access between I-465 and US 136 for the first time. Interlaced into that design is a full directional connection for I-74, which replaced the former cloverleaf interchange and removed its original stub connector east of I-465 to the intersection of Crawfordsville Road and High School Road in Speedway. Also in 2007, another undertaking was launched by INDOT to modernize

8190-409: Was shifted off of Macon Highway and onto the freeway. In 2004, the unsigned SR 422 designation was applied to the freeway. New exit numbers were assigned on August 2, 2004. In 2011, the half-diamond interchange at Oconee Parkway was added, with access limited from the parkway to the inner loop, and from the outer loop to the parkway. In 2015, the entirety of Loop 10 was made a freeway with

8281-409: Was under construction east-southeast just slightly from the US 29/SR 8 interchange. In 1966, SR 350 was decommissioned . US 29 was designated on the freeway from the western terminus to where it, as well as SR 8, depart the freeway. This interchange also had SR 8 Bus. and SR 106 . SR 8 was designated on the entire length of the freeway. Its former path through

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