| U.S. Route 12 | |
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| Highway system | |
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United States Numbered Highways |
There is currently one bannered route of U.S. Route 12 (US 12) in the state of Michigan.
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BUS US 12 |
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| Location: | Niles, Michigan |
| Existed: | June 24, 1957[3]–March 5, 2010[1][2] |
BUS US 12 was a business route running in Niles. It was first designated in 1957 as a business route of US 112. At that time, US 112 and M-60 were transferred to a bypass south of Niles. When US 112 was deleted in 1960, BUS US 112 was redesignated BUS US 12 to match the new US 12 designation. The business loop designation was removed in early 2010.
The western terminus of BUS US 12 was at the corner of W. Chicago Rd. and US 12/Pulaski Highway east of the US 12/US 31 interchange.
The eastern terminus was at the corner of US 12/Pulaski Highway and M-51 (S. 11th St.).
In 1986, US 33 was truncated in Michigan to end at US 12. BUS US 12 was rerouted in Niles to replace US 33 through town; BUS US 31 was added a year later. The section of BUS US 12 from the US12/M-60 interchange northwest to BUS US 12 along E. Main St. was left as an unsigned trunkline until 1994, when local authorities retained control. In 1998, US 33 was removed from Michigan completely. At this time, M-51 was extended over former US 33 and replaced part of the BUS US 31 designation in Niles.
On March 5, 2010, the segment of BUS US 12 between BUS US 31 and M-51 was turned over to local control.[1] In April 2010 the BUS US 12 designation was retired when an extended M-139 replaced it from the local control section southwestward prior to maps and signage being changed.[4] The concurrent segment along M-51 became M-51 only.
BUS US 12 |
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| Location: | Ypsilanti, Michigan |
| Existed: | 1956[5]–present |
BUS US 12 is a business route running in Ypsilanti. It was first designated in 1962 as a business route of US 12 when US 12 replaced US 112.
The western terminus of BUS US 12 is at an interchange with I-94/US 12 south of downtown Ypsilanti. The eastern terminus is at an intersection with US 12 just east of the Wayne/Washtenaw county line.
In 1942, Ypsilanti was bypassed by a Bypass US 112 (BYP US 112). US 112 continued to run along its routing in Ypsilanti. In 1956, US 112 was rerouted along BYP US 112, and US 112 through downtown Ypsilanti became BUS US 112, and later BUS US 12.