U.S. Route 18 in Wyoming
U.S. Highway 18 | ||||
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US 18 highlighted in red | ||||
| Route information | ||||
| Maintained by WYDOT | ||||
| Length | 98.727 mi (158.886 km) | |||
| Major junctions | ||||
| West end | I-25 / US 20 / US 26 / US 87 at Orin | |||
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| North end | US 18 at the South Dakota state line near Mule Creek Junction | |||
| Location | ||||
| Country | United States | |||
| State | Wyoming | |||
| Counties | Converse, Niobrara | |||
| Highway system | ||||
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U.S. Route 18 (US 18) is an east-west U.S. Numbered Highway in the state of Wyoming. It extends approximately 99 miles (159 km) from Interstate 25 (I-25) at Orin to the South Dakota state line east of Mule Creek Junction. US 18 continues east to its terminus in Milwaukee, Wisconsin.