Casper is a city in, and the county seat of, Natrona County, Wyoming, United States. Casper is the second largest city in the state, according to the 2020 U.S. Census, with a population of 55,293. Only Cheyenne, the state capital, is larger. Casper is nicknamed "The Oil City" and has a long history of oil boomtown and cowboy culture, dating back to the development of the nearby Salt Creek Oil Field.
Campbell County is a county in the U.S. state of Wyoming. As of the 2010 United States Census, the population was 46,133, making it the third-most populous county in Wyoming. Its county seat is Gillette.
U.S. Route 14, an east–west route, is one of the original United States highways of 1926. It currently has a length of 1,398 miles (2,250 km), but it had a peak length of 1,429 miles (2,300 km). For much of its length, it runs roughly parallel to Interstate 90.
U.S. Route 20 or U.S. Highway 20 (US 20) is an east–west United States highway that stretches from the Pacific Northwest all the way to New England. The "0" in its route number indicates that US 20 is a major coast-to-coast route. Spanning 3,365 miles (5,415 km), it is the longest road in the United States, and the route is roughly parallel to that of the newer Interstate 90 (I-90), which is in turn the longest Interstate Highway in the U.S. There is a discontinuity in the official designation of US 20 through Yellowstone National Park, with unnumbered roads used to traverse the park.
U.S. Route 16 (US 16) is an east–west United States Highway between Rapid City, South Dakota and Yellowstone National Park in Wyoming. As of 2004, the highway's eastern terminus is at a junction with Interstate 90/U.S. Route 14 (I-90/US 14), concurrent with I-190, in Rapid City, South Dakota. The western terminus is the east entrance to Yellowstone National Park, concurrent with US 14 and US 20. U.S. 16 used to extend all the way to Michigan, but has been truncated in favor of Interstates 90 and 96.
U.S. Route 18 is an east–west U.S. highway in the Midwestern United States. The western terminus is in Orin, Wyoming at an interchange with Interstate 25. Its eastern terminus is in downtown Milwaukee, Wisconsin. However, US 18 runs concurrent with other U.S. routes from its western terminus to Mule Creek Junction, Wyoming. US 18 is one of the original United States highways of 1926. The US 18 designation was originally proposed for a road in Michigan from Grand Haven east to Detroit. This roadway was eventually designated as U.S. Route 16.
U.S. Route 85 (US 85) is a 1,479-mile-long (2,380 km) north–south United States Highway that travels in the Mountain and Northern Plains states of the United States. The southern terminus of the highway is at the Mexican border in El Paso, Texas, connecting with Mexican Federal Highway 45. The northern terminus is at the Canadian border in Fortuna, North Dakota, where the route continues north as Saskatchewan Highway 35. The highway route is part of the CanAm Highway. Sections of US 85 are designated as the Theodore Roosevelt Expressway.
U.S. Highway 87 is a north–south United States highway that runs for 1,998 miles (3,215 km) from northern Montana to southern Texas. Most of the portion from Billings, Montana, to Raton, New Mexico, is co-signed along Interstates 90 and 25. It is also co-signed along the majority of Interstate 27 in Texas. As of 2004, the highway's northern terminus is in Havre, Montana, at U.S. Highway 2. Its southern terminus is in Port Lavaca, Texas.
U.S. Route 310 (US 310) is a spur of U.S. Route 10. It runs for 108 miles (174 km) from Laurel, Montana, to Greybull, Wyoming. It passes through the states of Montana and Wyoming. Near the town of Lovell, Wyoming, US 310 is concurrent with US 14A for approximately 3 miles (4.8 km).
U.S. Route 212 (US 212) is a spur of U.S. Route 12. It does not intersect U.S. 12 now, but it once had an eastern terminus at U.S. 12 in St. Paul, Minnesota. It runs for 949 miles (1,527 km) from Minnesota Highway 62 at Edina, Minnesota to Yellowstone National Park.
In the U.S. state of Wyoming, Interstate 90 (I-90) traverses the northeastern corner of the state, passing through the cities and communities of Sheridan, Buffalo, and Gillette.
In the U.S. state of Wyoming, U.S. Highway 14 runs east to west across the northern part of the state. The road connects South Dakota on the east with Yellowstone National Park on the west. It is mostly a two lane surface road except for several sections that it shares with Interstate 90.
Wyoming Highway 59 is a 171.72-mile-long (276.36 km) north–south state highway that runs from Douglas to the Montana–Wyoming State Line, where the roadway continues as Montana Highway 59.
Wyoming Highway 50 is a 51.48-mile-long (82.85 km) north–south Wyoming state highway located in the southwestern and central part of Campbell County that travels from Wyoming Highway 387 at Pine Tree Junction north to Interstate 90, US 14/US 16/WYO 59 in Gillette.
Wyoming Highway 51 is a 24.79-mile (39.90 km) long east-west Wyoming state highway located in Campbell and Crook Counties, between Gillette and Moorcroft.
Wyoming Highway 94 is a 16.61-mile-long (26.73 km) north–south Wyoming State Road located in southern Converse County south of Douglas.
Wyoming Highway 116 (WYO 116) is a 60.97-mile-long (98.12 km) north–south state highway located in central Weston and southern Crook counties of the U.S. state of Wyoming. It travels from WYO 450 south of Upton north to U.S. Route 14 (US 14) in Sundance.
Interstate business routes are roads connecting a central or commercial district of a city or town with an Interstate bypass. These roads typically follow along local streets often along a former U.S. route or state highway that had been replaced by an Interstate. Interstate business route reassurance markers are signed as either loops or spurs using a green shield shaped sign and numbered like the shield of the parent Interstate highway.
At least 12 special routes of U.S. Route 16 have existed, including four in Michigan.
U.S. Highway 16 (US 16) is a 69-mile-long (111 km) east–west U.S. Highway in the western part of the U.S. state of South Dakota. It travels between Yellowstone National Park in Wyoming and Rapid City. In South Dakota, the highway extends from the Wyoming state line near Newcastle, Wyoming to Interstate 90 (I-90) in Rapid City.
