U.S. Route 12

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U.S. Route 12 marker

U.S. Route 12
Route information
Length: 2,484 mi[1] (3,998 km)
Existed: 1926[1] – present
Major junctions
West end: US 101 at Aberdeen, WA
  I‑5 near Chehalis, WA
I‑15 at Helena, MT
I‑94 at Forsyth, MT
I-29 at Summit, SD
I-35W at Minneapolis, MN
I-35E at Saint Paul, MN I-39 / I-90 at Madison, WI
I-94 at Chicago, IL
I-65 at Gary, IN
I-94 at New Buffalo, MI
I-69 at Coldwater, MI
East end: Cass Avenue in Downtown Detroit, MI
Highway system

U.S. Route 12 (US 12) is an east–west United States highway, running from Aberdeen, Washington to Detroit, Michigan, for almost 2,500 miles (4,000 km). As a thoroughfare, it has mostly been supplanted by I-90 and I-94, but remains an important road for local and regional travel.

The highway's western terminus is in Aberdeen, Washington at an intersection with US 101, while the highway's eastern terminus is in downtown Detroit, at the corner of Michigan and Cass avenues, near Campus Martius Park.

Route description

Washington

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Main article: U.S. Route 12 in Washington

The western terminus of US 12 is located in Aberdeen, Washington. In the 1960s, a portion of US 12 was moved north to the town of Morton, when the Mossyrock Dam was built and flooded the towns of Kosmos and Riffe, along the Cowlitz River in Lewis County. A large portion of old, two-lane US 12 was replaced by Interstate 82 and Interstate 182 in the 1980s, between Yakima and the Tri-Cities, though the freeways are still cosigned with the US 12 designation. The old two-lane highway now bears the name Wine Country Road. The highway loosely follows the eastbound leg of the Lewis and Clark Expedition, between Wallula, Washington and Clarkston, Washington, thus being marked as part of the Lewis and Clark Trail. The east end of the highway in the state is at Clarkston, where the highway crosses the Snake River into Idaho at Lewiston.

The Washington section of US 12, other than a concurrency with Interstate 5, is defined at Washington Revised Code § 47.17.055.[2]

Idaho

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Main article: U.S. Route 12 in Idaho

US 12 enters the state at Lewiston, crossing the Snake River from Clarkston, Washington. It ascends the Clearwater River, concurrent with US 95 for 7 miles (11 km) . It reduces to a two-lane undivided highway with signs that read "winding road next 99 miles" and goes on to Orofino, continuing up the middle fork of that river to Lowell, the junction of the Lochsa and Selway Rivers. It continues up the Lochsa and climbs to Lolo Pass at the Montana border. This portion of the highway is also designated as part of the Lewis and Clark Trail. Most of the highway in Idaho is within the Clearwater National Forest. The eastern section of US 12, through remote mountain forest and up to Lolo Pass, was built in the early 1960s, making US 12 the last US highway constructed. No services are available between Lowell and Powell, about 70 miles (110 km) further east. U.S. Route 12 through Idaho has been proposed as a route for shipment of huge equipment from Lewiston, an inland port,[3] to oil sands facilities near Fort McMurray, Alberta and to a refinery in Billings, Montana. On two-lane portions of the road, the equipment, weighing as much as 300 tons and as much as 30 feet high and 24 feet wide, would occupy the entire roadway. The route is preferable to other routes due to the lack of underpasses and the great distances involved. The alternative is transport across the Great Plains from Texas or New Orleans[lower-alpha 1] On U.S. 12, the major obstacle would be power lines which would have to be raised or buried. That and other alterations to the highway such as turnouts would be paid for by the companies. The trucks would transport only at night, moving short distances between places where they would pull off and let traffic pass. A permit granted by the Idaho Transportation Department to ConocoPhillips in August 2010 is the subject of litigation initiated by householders along the route.[4] On January 19, 2011 it was announced that the Idaho government would issue permits for four loads of refinery equipment to be transported from Lewiston to Billings.[5]

Montana

Logging truck at Lolo Hot Springs, Montana

US 12 in Montana has been defined as the Lewis and Clark Highway,[6] despite not being the route followed by Lewis and Clark across the state.[7]

US 12's 592 miles (953 km) through Montana's mountains and plains is the greatest distance that US 12 traverses through any state. The highway enters Montana at Lolo Pass, seven miles (11 km) southwest of Lolo Hot Springs in the Lolo National Forest. After passing Lolo Peak to the south and traveling east for 33 miles (53 km), it meets with US 93 at Lolo and continues as a concurrency northeast for 7.5 miles (12.1 km), where US 93 heads due north on Reserve Street, toward Glacier National Park. US 12 continues northeast through Missoula's downtown, eventually meeting I-90. It then overlaps I-90 for 69 miles (111 km), until Garrison, where it heads east toward Helena for 48.8 miles (78.5 km). This two-lane section of the trip passes through Avon and Elliston winding through the Helena National Forest, over the Continental Divide at MacDonald Pass, and then through Montana's capital city, Helena. US 12 passes over Interstate 15 at which, point it joins US 287 south. US 12 overlaps US 287 and heads southeast, toward Townsend for 33.4 miles (53.8 km), where it splits from US 287, which heads south for 30 miles (48 km) toward the intersection of I-90 near the town of Three Forks. US 287 culminates 121 miles (195 km), in Yellowstone National Park. US 12 heads east toward White Sulphur Springs for 42.2 miles (67.9 km). The route joins US 89 for 8.4 miles (13.5 km) before entering White Sulphur Springs, and for another 3.0 miles (4.8 km) east of town. US 89 splits north and US 12 continues east on its own for 233 miles (375 km), until the junction with I-94 at Forsyth as a concurrency northeast for 45.8 miles (73.7 km), to Miles City. At the east exit for Miles City, US 12 splits again from I-94 and heads almost directly east to the North Dakota border at a distance of 92.4 miles (148.7 km).

North Dakota

US 12 is a two-lane undivided highway that runs 87.47 miles (140.77 km), through Adams, Bowman and Slope counties in southwest North Dakota. The speed limit is 65 mph (105 km/h) on rural segments, with slower posted speeds within the cities of Marmarth, Rhame, Bowman, Scranton and Hettinger. US 12 meets with US 85 in Bowman, and the routes are concurrent for a short distance through the city.

South Dakota

US 12 enters South Dakota from North Dakota, as a rural two lane highway about 10 miles (16 km) west/northwest of Lemmon. For approximately the next 70 miles (110 km), US 12 runs parallel to the border of North Dakota, sometimes within less than a mile. At Walker, US 12 heads southeast for 37 miles (60 km), where it crosses the Missouri River at Mobridge. From there it continues east for 18 miles (29 km), until it meets with US 83 near Selby. It overlaps US 83 for 7 miles (11 km) and for about half of that distance, it is an expressway. After leaving US 83, it turns due east and spends about 80 miles (130 km) as a rural two lane highway again. A few miles before reaching Aberdeen, it becomes an at-grade expressway. After the junction with U.S. Route 281, it goes back to being two lane for a few miles through Aberdeen and past the Aberdeen Regional Airport, before once again becoming a 4-lane expressway, until 2 miles (3.2 km) before Waubay. East of Waubay it becomes again an at-grade expressway until it meets with Interstate 29 near Summit. The speed limit from Aberdeen to I-29 is 70 mph except through the communities of Groton, Webster and Waubay. From there it heads southeast 22 miles (35 km), until Milbank. At Milbank, it turns back northeast for 10 miles (16 km), until it crosses into Minnesota at Big Stone City, just south of Big Stone Lake. The South Dakota section of US 12 is legally defined at South Dakota Codified Laws § 31 April 132.[8]

Minnesota

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Main article: U.S. Route 12 in Minnesota

From the South Dakota/Minnesota state line at Ortonville, to Wayzata, US 12 is mostly a rural two-lane highway with a 55 mph (89 km/h) speed limit, with slower speed limits through towns and a four-lane surface arterial segment through the city of Willmar. From western Wayzata to Interstate 394 in Minnetonka, US 12 is a six-lane freeway. East of I-494, US 12 is invisibly concurrent with Interstates 394 and 94 through Minneapolis and St. Paul to the Minnesota/Wisconsin state line at Hudson.

The Minnesota section of US 12 is defined as Routes 149, 26, and 10 in Minnesota Statutes §§ 161.115(80) and 161.114(2).[9][10]

Wisconsin

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Main article: U.S. Route 12 in Wisconsin

From Elkhorn, Wisconsin to near the Illinois/Wisconsin state line, U.S. 12 is a freeway with a 65 mph (105 km/h) speed limit. It continues as a two-lane highway until it approaches the city of Whitewater, where a new bypass has been constructed. It is currently two-lane, but can be expanded to four lanes. U.S. 12 continues west to Madison. As US 12 nears Madison, it merges with US 14, US 151 and US 18, to form the West Beltline Highway, a four to six-lane freeway that encircles the south and west portions of the city, with a speed limit of 55 mph (90 km/h).

From Middleton, the highway continues, on a 15-mile (24 km) four-lane road completed in 2004, to cross the Wisconsin River at Sauk City.

Illinois

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Main article: U.S. Route 12 in Illinois

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See also: Mannheim Road and 95th Street (Chicago)

In Illinois, US 12 is an arterial surface road that runs from Richmond, southeast to Des Plaines. It then turns due south, continuing through the Chicago metropolitan area, joining with U.S. Route 45. In Stone Park, U.S. Route 20 joins U.S. 12/45. In Hickory Hills, U.S. 45 continues south, while U.S. 12/20 runs due east along 95th Street in the southwest suburbs. From Hickory Hills, U.S. 12/20 runs east nearly to the Lake Michigan lakefront and then joins with U.S. Route 41, as all three routes travel southeast into the state of Indiana.

US 12 is referred to as Rand Road in Chicago's northwest suburbs. Rand is an original name for the area around Des Plaines, Illinois, the location where the road resumes its westerly direction. South of Des Plaines, US 12 follows Mannheim Road, La Grange Road, and then 95th Street, before merging with US 41 on Ewing and Indianapolis Avenues toward the Indiana state line.

Indiana

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Main article: U.S. Route 12 in Indiana

In Indiana, US 12 is a historically significant route, that winds along the southern coast of Lake Michigan. It runs from an interchange with the Indiana Toll Road, concurrent with U.S. Routes 20 and 41 in Whiting, to Michiana Shores, at the Michigan state line. A large portion of this segment is known as the Dunes Highway.

Michigan

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Main article: U.S. Route 12 in Michigan

US 12 is now the only U.S. highway route still serving downtown Detroit, whose street grid was laid by Augustus B. Woodward, to have a five-way intersection of the roads that would become US 12, US 10, US 16, US 112 and US 25. US 24 still travels through Detroit from Puritan to 8 Mile Road on the far west side.

As from the earliest days of its existence, US 12 enters Michigan from Indiana, southwest of New Buffalo and continues to the old junction of US 12 and US 112 in New Buffalo. It is now assigned between New Buffalo and Detroit (except through Ypsilanti), along what was US 112 until 1962.

On May 4, 2004, the Michigan Department of Transportation (MDOT) designated 209 miles (336 km) of US-12 from New Buffalo to Detroit as a Historic Heritage Route. The east-west corridor traverses the counties of Berrien, Cass, St. Joseph, Branch, Hillsdale, Lenawee, Washtenaw and Wayne. MDOT's Heritage Route Committee has approved the route's nomination as a premier addition to the Michigan Heritage Route Program.

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US-12 is among the oldest road corridors east of the Mississippi River and accesses some of the most extensive and significant historic, cultural, scenic and recreational resources in Michigan. It begins in downtown Detroit, just blocks from the Detroit River, and extends through southern Michigan to the Michigan/Indiana border south of New Buffalo. It was originally a network of centuries-old trails created by Native Americans. Over the years it has had many names such as Sauk Trail, Chicago Road, and Michigan Avenue.

— Pete Hanses, MDOT's Heritage Route manager[11]

The U.S. 12 Heritage Trail also opens their doors annually the second weekend of August for what has been dubbed "Michigan's Longest Yard Sale" on Friday, Saturday and Sunday.

History

Since the highway's creation in 1926, the eastern terminus has always remained within a few blocks of this point.[12]

The western terminus was gradually extended westward, until it met up with the Pacific Ocean.[13]

Former ferry crossing

In 1925, US 12 in Michigan was originally proposed to run from Detroit to Ludington, across Lake Michigan, via the Pere Marquette Railway car ferry to Manitowoc, Wisconsin, and then continuing into Wisconsin, on what later became US 10, in those two states.

Wyoming

US 12 originally went into Wyoming, before being rerouted into Montana and was proposed to go into Oregon, but did not.

Madison to Chicago freeway

US 12 was originally planned to be a freeway from Madison, Wisconsin to the Illinois state line at Genoa City.[14] The freeway would have continued south and east into Lake County, Illinois to connect to the long proposed Illinois Route 53 extension. Wisconsin constructed the portion from Genoa City to Elkhorn in the 1970s.[15] However, before additional freeway could be built towards Madison, Illinois shelved their portion of the project, due to community and environmental opposition (see FAP 420).

Major intersections

Washington
US 101 in Aberdeen
I‑5 in Grand Mound. The highways travel concurrently to south-southeast of Napavine.
I‑82 / US 97 in Yakima. I-82/US 12 travel concurrently to south of West Richland. US 12/US 97 travel concurrently to south of Union Gap.
I‑82 / I‑182 south of West Richland. I-182/US 12 travel concurrently to Pasco.
US 395 in Pasco. The highways travel concurrently through the city.
US 730 south-southwest of Wallula
Idaho
US 95 in Lewiston. The highways travel concurrently to north-northwest of Lapwai.
Montana
US 93 in Lolo. The highways travel concurrently to Missoula.
I‑90 in Missoula. The highways travel concurrently to Garrison.
I‑15 / US 287 in Helena. US 12/US 287 travel concurrently to Townsend.
US 89 south of White Sulphur Springs. The highways travel concurrently to northeast of White Sulphur Springs.
US 191 in Harlowton. The highways travel concurrently to east of Harlowton.
US 87 north of Klein. The highways travel concurrently to Roundup.
I‑94 southwest of Forsyth. The highways travel concurrently to east-northeast of Miles City.
North Dakota
US 85 in Bowman. The highways travel concurrently through the city.
South Dakota
US 83 northwest of Selby. The highways travel concurrently to south of Selby.
US 281 in Aberdeen
I‑29 / US 81 northwest of Summit
Minnesota
US 75 in Ortonville
US 59 north of Holloway
US 71 in Willmar
I‑394 / I‑494 in Minnetonka. I-394/US 12 travel concurrently to Minneapolis.
US 169 in St. Louis Park.
I‑94 / I‑394 / US 52 in Minneapolis. US 52 travel concurrently to Saint Paul. I-94/US 12 travel concurrently to east of Hudson.
I‑35W in Minneapolis. The highways travel concurrently, on separate lanes, through the city.
I‑35E in Saint Paul. The highways travel concurrently through the city.
I‑35E / US 10 in Saint Paul. US 10/US 12 travel concurrently through the city.
US 61 in Saint Paul. The highways travel concurrently through the city.
I‑494 / I‑694 on the Woodbury–Oakdale city line.
Wisconsin
US 63 in Baldwin. The highways travel concurrently through the city.
I‑94 northwest of the Town of Elk Mound
US 53 on the Eau Claire–Altoona city line
US 10 south of Fairchild. The highways travel concurrently to east-southeast of Fairchild.
I‑94 in Black River Falls
I‑94 in the Town of Tomah
I‑90 in Tomah
I‑90 / I‑94 in the Town of Lyndon
I‑90 / I‑94 on the Lake Delton–Delton town line
US 14 in Middleton. The highways travel concurrently to .
US 18 / US 151 in Madison. US 12/US 18 travel concurrently to Cambridge. US 12/US 151 travel concurrently through the city.
I‑39 / I‑90 in Madison
I‑43 in Elkhorn
Illinois
US 45 in Des Plaines. The highways travel concurrently to west of the Palos Hills–Hickory Hills, Illinois city line.
US 14 in Des Plaines
I‑190 west of Rosemont
US 20 on the Melrose Park–Stone Park city line. The highways travel concurrently to East Chicago, Indiana.
I‑290 on the Westchester–Hillside–Bellwood city line
US 34 in La Grange
I‑55 on the Countryside–Hodgkins city line
I‑294 in Willow Springs
I‑294 on the Hickory Hills–Bridgeview city line
US 41 in Chicago. The highways travel concurrently to northwest of Whiting, Indiana.
Indiana
I‑90 northwest of Whiting
US 20 on the Hammond–Gary city line. The highways travel concurrently into Gary proper.
I‑65 in Gary
I‑90 in Gary
Michigan
I‑94 in New Buffalo Township
US 31 in Bertrand Township
US 131 in White Pigeon
I‑69 in Coldwater
US 127 in Woodstock Township
US 23 in Pittsfield Charter Township
I‑94 in Ypsilanti Township. The highways travel concurrently through the township, passing through Ypsilanti.
I‑275 in Canton
US 24 in Dearborn
I‑94 in Dearborn
Cass Avenue in Detroit

See also

Notes

  1. ↑ On the Great Plains there are also inland ports on the Mississippi River and its tributaries as far north as Sioux City, Iowa, on the Missouri River.

References

  1. ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.[unreliable source?]
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  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Montana Department of Transportation, Lewis & Clark in Montana, March 2005
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.[unreliable source?]
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ http://www.wisconsinhighways.org/listings/WiscHwys10-19.html#US-012
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

Browse numbered routes
← MT 10 MT MT 13 x20px →
← ND 11 ND ND 13 →
← SD 11 SD SD 12 →
← WYO 11 WY WYO 12 →
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