Several special routes of U.S. Route 20 (US 20) exist. In order from west to east, they are as follows. __TOC__

Toledo business loop

U.S. Route 20 Business (US 20 Bus.) in

Toledo, Oregon Toledo /toLIdou/ is a city located on the Yaquina River and along U.S. Route 20 in Lincoln County, Oregon, Lincoln County, in the U.S. state of Oregon. The population was 3,465 at the 2010 United States Census, 2010 census. The city was a 2009 ...

, runs from an intersection with the main highway west of Toledo on the Toledo Frontage Road and 5th Street through Toledo and again on the Toledo Frontage Road to an intersection with the main highway east of Toledo. US 20 Bus. in Toledo is also called Sharon Branstiter Memorial Drive, in memory of Toledo's former mayor.

Bend business loop

U.S. Route 20 Business (US 20 Bus.) in

Bend, Oregon Bend is a city in central Oregon and the county seat of Deschutes County, Oregon, Deschutes County, Oregon, United States. It is located to the east of the Cascade Range, on the Deschutes River. The site became known by pioneers as a ford (cros ...

, runs from an intersection with the main highway north of Bend, south on East 1st Street, Deschutes Place, and Wall Street to Newport Avenue, concurrent with US 97 Bus., and then east on Newport and Greenwood avenues to the main highway concurrent with East 3rd Avenue in Bend.

Mountain Home–Carey temporary route

Idaho Falls business loop

U.S. Highway 20 Business (US 20 Bus.) in

Idaho Falls, Idaho Idaho Falls is the fourth most populous city in Idaho and the county seat of Bonneville County. It is the state's most populous city outside the Boise metropolitan area. As of the 2020 census, the population of Idaho Falls was 64,818.2020 Cen ...

, is overlapped by US 26. It begins at Interstate 15 (I-15) exit 118 on West Broadway Street and runs concurrent with the I-15 Bus. until the intersection with Yellowstone Avenue, where I-15 Bus. turns south and US 20 Bus./US 26 turns north. Curving under a set of railroad bridges, the street name briefly changes to the Northgate Mile. The concurrency with US 26 ends when US 20 Bus. turns north onto North Holmes Avenue, while US 26 continues along North Yellowstone Highway. The railroad line that the route previously ran under is encountered again at the intersection with East Anderson Street, where the tracks cross from the southwest corner to the northeast corner. A while after crossing a bridge over South Fork Willow Creek, North Holmes Avenue intersects 29th Road North and suddenly gains the additional name of Lewisville Road. US 20 Bus. ends at the diamond interchange with US 20 (Rigby Highway), known as exit 310.

Rigby business route

Sugar City–Jackson alternate route

St. Anthony business loop

U.S. Highway 20 Business (US 20 Bus.) in

St. Anthony, Idaho St. Anthony or Saint Anthony is a city in and the county seat of Fremont County, Idaho, United States. The population was 3,542 at the 2010 census, up from 3,342 in 2000.US 20 and proceeds northward onto Bridge Avenue. After crossing Henrys Fork, the route enters the St. Anthony downtown area. Once through the downtown area, it turns to the east on the Yellowstone Highway. US 20 Bus. continues to the east, crossing Henrys Fork again, before bending to the southwest and ending at an intersection with mainline US 20.

Mountain View–Casper business loop

Mountain View–Casper bypass route

Douglas business loop

Manville bypass route

Sioux City business loop

U.S. Highway 20 Business (US 20 Bus.) in the

Sioux City Sioux City () is a city in Woodbury and Plymouth counties in the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-most populous city in Iowa. The county seat of Woodbury County, Sioux City is the primar ...

area originates in

Nebraska Nebraska ( ) is a landlocked U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Ka ...

, at the junction of Dakota Avenue and I-129 in South Sioux City. US 20 Bus. follows US 20's old alignment through South Sioux City before crossing into

Iowa Iowa ( ) is a U.S. state, state in the upper Midwestern United States, Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Ill ...

concurrently with US 77. US 20 Bus. then joins with

I-29 I29 may refer to: * Interstate 29 Interstate 29 (I-29) is an Interstate Highway in the Midwestern United States. I-29 runs from Kansas City, Missouri, at a junction with I-35 and I-70, to the Canada–US border near Pembina, North Dakota ...

for a very short distance before exiting onto Virginia Street and then Gordon Drive. US 20 Bus. westbound traffic does not join I-29 but skips it though a system of ramps. The route then follows Gordon Drive through central Sioux City to the US 20/ US 75 bypass, where it rejoins US 20. US 20 Bus. in Sioux City is known officially as

Iowa Highway 12 Iowa Highway 12 (Iowa 12) is a state highway that runs from north to south in northwestern Iowa. The highway begins in eastern Sioux City at U.S. Highway 20 (US 20) and US 75. For the first of the route, Iowa 12 is an un ...

(Iowa 12), though Iowa 12 is signed as ending at I-29 in western Sioux City.

Fort Dodge business loop

U.S. Highway 20 Business (US 20 Bus.) in

Fort Dodge, Iowa Fort Dodge is a city in and the county seat of Webster County, Iowa, United States, along the Des Moines River. The population was 24,871 in the 2020 United States census, 2020 census, a decrease from 25,136 in 2000 United States Census, 2000. F ...

, begins at the western end of the current US 20 expressway near

Moorland Moorland or moor is a type of Habitat (ecology), habitat found in upland (geology), upland areas in temperate grasslands, savannas, and shrublands and the biomes of montane grasslands and shrublands, characterised by low-growing vegetation on So ...

and follows US 20's former route through the city via Kenyon Road and 5th Avenue South. Just east of Fort Dodge's eastern city limits, US 20 Bus. turns south on Webster County Road P59 (CR P59), passing through several

gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate Hydrate, dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk ...

mining areas before rejoining the US 20 expressway in

Coalville Coalville is a town in the district of North West Leicestershire in Leicestershire in the East Midlands of England. In 2011, it had a population of 34,575. It lies on the A511 road, A511 between Leicester and Burton upon Trent, close to junct ...

Freeport business loop

U.S. Route 20 Business (US 20 Bus.) is a business route of US 20 around

Freeport, Illinois Freeport is the largest city in Stephenson County, Illinois, United States, and its county seat. The population was 23,973 at the 2020 United States census, 2020 census, and the mayor of Freeport is Jodi Miller, elected in 2017. Freeport is k ...

. In 1988, US 20 was rerouted away from Freeport after a bypass was completed. The former routing that ran through downtown Freeport along Galena Avenue and South Street became US 20 Bus. The bypass was initially completed as two-lanes with earthworks completed for four-lanes. The segment east of

Illinois Route 26 Illinois Route 26 (IL 26, Illinois 26) is a north–south state highway in central and north-central Illinois. It runs from Illinois Route 116 just north of East Peoria to Highway 69 at the Wisconsin border near Orangeville. This is a d ...

(IL 26) was completed as four-lane in the early 1900s with the segment west of IL 26 completed in the late 1990s.

Rockford–Belvidere business loop

U.S. Route 20 Business (US 20 Bus.) is the longest business route in Illinois that runs from just west of

Rockford, Illinois Rockford is a city in Winnebago County, Illinois, Winnebago and Ogle County, Illinois, Ogle counties in the U.S. state of Illinois. Located in far northern Illinois on the banks of the Rock River (Mississippi River tributary), Rock River, Rockfor ...

, to just east of Belvidere. The route begins just west of Weldon Road and runs as State Street into downtown Rockford, where it is split into two one-way streets (Chestnut Street, Walnut Street, and First Avenue for eastbound traffic, with Jefferson Street and Kilburn Avenue for westbound traffic). The route continues east along State Street all the way through Rockford and becomes a two-lane highway between Rockford and Belvidere. US 20 is then routed in an outer loop around the city of Belvidere before merging back with US 20 near Genoa Road and I-90 (Jane Addams Memorial Tollway) as Belvidere Road.

Elgin business loop

U.S. Route 20 Business (US 20 Bus.) was a business loop along a former route of US 20 in

Elgin, Illinois Elgin ( ) is a city in Cook County, Illinois, Cook and Kane County, Illinois, Kane counties in the U.S. state of Illinois. It is located northwest of Chicago along the Fox River (Illinois River tributary), Fox River. As of the 2020 United Stat ...

. The route began as Villa Street at a junction with US 20 Elgin Bypass in Southeast Elgin. Following Villa Street into downtown, it turned north briefly as Villa Court. Through downtown, westbound traffic followed Center Street for one block to take Highland Avenue across the Fox River. Eastbound traffic turned from Highland Avenue onto State Street for one block to take Chicago Street across the river to Villa Court. West of State Street, both directions of traffic followed Highland Avenue and Larkin Avenue to the other end of the Elgin Bypass. This special route was created when US 20 was rerouted to the Elgin Bypass in 1962. The route was decommissioned in 1984.

Chicago business loop

City U.S. Route 20 (City US 20) was created in 1938 to roughly follow the former alignment of US 20 through Chicago while the main highway was routed around the city. From US 20 at the intersection of Lake Street and

Mannheim Road Mannheim Road, also known as La Grange Road from Cermak Road to U.S. Route 30 in Illinois, U.S. Route 30 (US 30; Lincoln Highway), is a north–south major street in the near-western suburbs of Chicago. It carries U.S. Route 12 in Illinois ...

, the city route went east on Lake Street. At

Harlem Avenue Harlem Avenue is a major north–south street located in Chicago and its west, southwest, and northwest suburbs. It stretches from Glenview Road in Glenview to the intersection of East South Street and South Drecksler Road in Peotone, where ...

, it turned south to continue east on Washington Boulevard. At Garfield Park the route split, eastbound traffic followed Warren Boulevard while westbound traffic followed Washington Boulevard. Initially, opposing traffic traveled together on Washington Boulevard from Union Park to the

South Branch Chicago River The Chicago River is a system of rivers and canals with a combined length of that runs through the city of Chicago, including its center (the Chicago Loop). The river is one of the reasons for Chicago's geographic importance: the related Chic ...

where it followed

Wacker Drive Wacker Drive is a major multilevel street in Chicago, Illinois, running along the south side of the main branch and the east side of the south branch of the Chicago River in the Loop.Hayner, Don and Tom McNamee, ''Streetwise Chicago'', "Wacke ...

to Michigan Avenue. When Chicago changed many downtown streets to one-way in 1955, eastbound traffic followed Washington Boulevard while westbound traffic followed

Randolph Street Randolph Street is a street in Chicago running east–west through the Loop, carrying westbound traffic west from Michigan Avenue across the Chicago River on the Randolph Street Bridge, interchanging with the Kennedy Expressway ( I-90/ I-94) ...

. The route followed both streets to Michigan Avenue for four years before returning to Wacker Drive. At Michigan Avenue, the route joined City US 12 to head south. The original route took 16th Street one block east to Indiana Avenue and thence to

Cermak Road Cermak Road, also known as 22nd Street, is a 19-mile, major east–west street on Chicago's near south and west sides and the city's western suburbs. In Chicago's street numbering system, Cermak is 2200 south, or twenty-two blocks south of the ...

. In 1958, eastbound traffic continued on Michigan to Cermak Road while westbound traffic followed Indiana Avenue to 14th Street. The route followed Cermak Road to a short diagonal named Silverton Way to South Parkway (now Martin Luther King Drive). From there, the route followed Oakwood, Drexel, and Hyde Park boulevards to Jackson Park. Traversing the park on what came to be known as part of Cornell Drive (Avenue), the route continued South on

Stony Island Avenue Stony Island Avenue is a major street on South Side of the city of Chicago, designated 1600 East in Chicago's street numbering system. It runs from 56th Street south to the Calumet River. Stony Island Avenue continues sporadically south of th ...

, rejoining US 20 at 95th Street. In 1960, this route was redesignated as U.S. Route 20 Business (US 20 Bus.). The eastern end of the route was moved in 1963 to the

Chicago Skyway Interstate 90 (I-90) in the US state of Illinois runs roughly northwest-to-southeast through the northern part of the state. From the Wisconsin state line at South Beloit, Illinois, South Beloit, it heads south to Rockford, Illinois, Ro ...

as Toll Business U.S. Route 20 (Toll Bus. US 20) to rejoin the main highway at Indianapolis Boulevard at the state line. The route was decommissioned in 1968.

Tremont–Michigan City alternate route

South Bend business loop

U.S. Route 20 Business (US 20 Bus.) follows the former route of US 20 through

South Bend South Bend is a city in St. Joseph County, Indiana, United States, and its county seat. It lies along the St. Joseph River (Lake Michigan), St. Joseph River near its southernmost bend, from which it derives its name. It is the List of cities in ...

and

Mishawaka Mishawaka () is a city on the St. Joseph River, in St. Joseph County, Indiana, United States. The population was 51,063 as of the 2020 census. Its nickname is "the Princess City". Mishawaka is a principal city of the South Bend-Mishawaka, Indi ...

, Indiana, generally along Colfax Avenune and McKinley Avenue/McKinley Highway. Signage is inconsistent along parts of the route.

Google Street View Google Street View is a technology featured in Google Maps and Google Earth that provides interactive panoramas from positions along many streets in the world. It was launched in 2007 in several cities in the United States, and has since expa ...

, various dates between September 2007 and October 2011.

South Bend bypass route

U.S. Route 20 Bypass (US 20 Byp.) was the designation for the portion of the

St. Joseph Valley Parkway The St. Joseph Valley Parkway is a freeway in the U.S. states of Indiana and Michigan, serving as a bypass route around Elkhart, Mishawaka, and South Bend in Indiana and Niles in Michigan. The freeway runs to the south and west of Elkhart a ...

during the period when it was only open between US 31 south of

South Bend, Indiana South Bend is a city in St. Joseph County, Indiana, United States, and its county seat. It lies along the St. Joseph River (Lake Michigan), St. Joseph River near its southernmost bend, from which it derives its name. It is the List of cities in ...

, and US 20 to the west in Elkhart. When the freeway was extended north and US 31 was rerouted onto it, the US 20 Byp. designation was removed. When the freeway was completed to the east reconnecting to US 20, the mainline US 20 designation was transferred to it, rather than the US 20 Byp. designation being reapplied to it.

Osceola–Elkhart truck route

Ohio alternate route

U.S. Route 20A (US 20A) is a east–west

alternate route An official alternate route is a special route in the United States that provides an alternate alignment for a highway. They are loop roads and found in many road systems in the United States including the U.S. Highway system and various stat ...

of US 20 located in northwest

Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...

. The western terminus of the route is at US 20 south of

Pioneer Pioneer commonly refers to a person who is among the first at something that is new to a community. A pioneer as a settler is among the first settling at a place that is new to the settler community. A historic example are American pioneers, perso ...

, and the eastern terminus is at US 20 in

Maumee Maumee may refer to: Places: * Maumee Township, Allen County, Indiana * Maumee, Ohio, a city in Lucas County * Maumee River, a river in northwestern Ohio and northeastern Indiana, United States * Maumee Bay, Ohio, on Lake Erie * Maumee State Fores ...

, southwest of

Toledo Toledo most commonly refers to: * Toledo, Spain, a city in Spain * Province of Toledo, Spain * Toledo, Ohio, a city in the United States Toledo may also refer to: Places Belize * Toledo District * Toledo Settlement Bolivia * Toledo, Or ...

. The route runs parallel to the

Ohio Turnpike The Ohio Turnpike, officially the James W. Shocknessy Ohio Turnpike, is a controlled-access toll road in the U.S. state of Ohio, serving as a primary corridor between Chicago and Pittsburgh. The road runs east–west for in the northern sect ...

(

I-80 Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from San Francisco, California, to Teaneck, New Jersey, in the New York metropolitan area. The highway was designated in 1956 as one of the ori ...

I-90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain states, Mountain West, Great Pla ...

) for much of its length, and intersects the turnpike at exit 13 northeast of Montpelier in Holiday City. US 20 and US 20A are never more than apart for the entire stretch through the Ohio farm country, as the mainline of US 20 takes the more northerly route. The highway was previously designated U.S. Route 20S (US 20S).

US 20N

U.S. Route 20N (US 20N) was the designation for US 20 in northwest Ohio between the endpoints of US 20S during the period when that route existed. In 1932, US 20N was established and acquired part of US 20 between Bridgewater Township and

. By 1935, US 20N was decommissioned and was reverted to US 20.

Toledo–Gibsonburg Junction business route

Perrysburg truck route

Fremont business route

Western Greater Cleveland alternate route

U.S. Route 20A (US 20A) ran concurrently with the current US 6 Alternate (US 6 Alt.) from their common eastern terminus in the Ohio City neighborhood in

Cleveland Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located along the southern shore of Lake Erie, it is situated across the Canada–U.S. maritime border and approximately west of the Ohio-Pennsylvania st ...

to US 20/ State Route 113 (SR 113) in

Rocky River Rocky River may refer to: Localities *Rocky River, Ohio, USA * Rocky River, New South Wales near Uralla, Australia Electorates *Electoral district of Rocky River (South Australia) Streams In Australia: * Rocky River (New South Wales) * ...

from 1971 to 1983.

Eastern Greater Cleveland alternate route

U.S. Route 20A (US 20A) ran along Euclid Avenue, with US 6 Alt., in

and East Cleveland from 1936 until 1967, when US 20 was removed from US 6 and run along Euclid Avenue from Superior Avenue in East Cleveland to

Public Square A town square (or public square, urban square, city square or simply square), also called a plaza or piazza, is an open public space commonly found in the heart of a traditional town or city, and which is used for community gatherings. Relat ...

in Cleveland.

Silver Creek truck route

U.S. Route 20 Truck (US 20 Truck) is a

truck route A truck or lorry is a motor vehicle designed to transport freight, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame construction ...

of US 20 in

Silver Creek, New York Silver Creek is a village in the town of Hanover in Chautauqua County, New York, United States. As of the 2020 census, the village had a population of 2,637. Silver Creek is named after a small creek which runs through the village. It is on the s ...

. The road begins at an intersection with US 20 in Silver Creek, goes along Central Avenue for a short time and merges in with NY 5. The two become concurrent for another mile on Howard Street where US 20 Truck ends at an intersection with US 20.

New York alternate route

U.S. Route 20A (US 20A) is an east–west

of US 20 in

western New York Western New York (WNY) is the westernmost region of the U.S. state of New York (state), New York. The eastern boundary of the region is not consistently defined by state agencies or those who call themselves "Western New Yorkers". Almost all so ...

. It leaves US 20 in

Hamburg Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by population, second-largest city in Germany after Berlin and List of cities in the European Union by population within city limits, 7th-lar ...

, a

suburb A suburb (more broadly suburban area) is an area within a metropolitan area. They are oftentimes where most of a metropolitan areas jobs are located with some being predominantly residential. They can either be denser or less densely populated ...

Buffalo Buffalo most commonly refers to: * True buffalo or Bubalina, a subtribe of wild cattle, including most "Old World" buffalo, such as water buffalo * Bison, a genus of wild cattle, including the American buffalo * Buffalo, New York, a city in the n ...

, and rejoins it in East Bloomfield about five miles (8 km) west of

Canandaigua Canandaigua () is a city in Ontario County, New York, United States. Its population was 10,576 at the 2020 census. It is the county seat of Ontario County; some administrative offices are at the county complex in the adjacent town of Hopewell. ...

, the county seat of Ontario County. While the main line of US 20 takes a direct path between Hamburg, Buffalo, and East Bloomfield via Avon, US 20A veers to the south to serve several villages and

hamlet ''The Tragedy of Hamlet, Prince of Denmark'', often shortened to ''Hamlet'' (), is a Shakespearean tragedy, tragedy written by William Shakespeare sometime between 1599 and 1601. It is Shakespeare's longest play. Set in Denmark, the play (the ...

s, including the villages of Geneseo and

Warsaw Warsaw, officially the Capital City of Warsaw, is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-central Poland. Its population is officially estimated at ...

. US 20A was assigned .

Lenox bypass route

References

{{DEFAULTSORT:Special Routes Of U.S. Route 20 *20 U.S. Route 20 20 20 20 S20 20 20 20 20