Former U.S. 312

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U.S. 312 was commissioned in 1960 to run from the Northeast Entrance of Yellowstone National Park to Cooke City, Laurel, Billings, and Miles City, Montana in a general northeast direction. U.S. 312 turned southeast at Miles City to end at U.S. 212 in Broadus.

U.S. 312 followed what later became U.S. 212 from Yellowstone to Billings, included a short overlap with U.S. 310 in 1960. The route accompanied U.S. 10 (Interstate 94) from Billings to Miles City, and Montana Highway 59 from Miles City to Broadus. The western leg of U.S. 312 was eliminated in 1962 with an extension of U.S. 212.

Until 1974, U.S. 312 remained along I-94/U.S. 10 and MT 59 from Miles City to Broadus The highway was then decommissioned along I-94 to eliminate route duplication, and the remaining segment was within one state and less than 300 miles long. U.S. 312 was redesignated as Montana Highway 59, forming a Multi State Highway corridor from Douglas, Wyoming, to Jordan, Montana.



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    Page Updated 09-22-2005.

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