U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn

Van Horn, Texas

Van Horn is a town in and the county seat of Culberson County, Texas, United States. The population was 2,435 at the 2000 census.-Geography:Van Horn is located at ....

, Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

. A short-lived northward extension to U.S. 62

U.S. Route 62

U.S. Route 62 runs from the US-Mexico border at El Paso, Texas to Niagara Falls, New York, near the United States-Canada border. It is the only east-west US Route that connects Mexico and Canada.Parts of U.S...

/180

U.S. Route 180

U.S. Route 180 is an east–west United States highway. Like many three-digit routes, US 180 no longer meets its "parent", US 80. US 80 was decommissioned west of Mesquite, Texas, and was replaced in Texas by Interstate 20 and Interstate 10. The highway's eastern terminus is in Hudson Oaks,...

 near Pine Springs

Pine Springs, Texas

Pine Springs is an unincorporated community in northern Culberson County, Texas, United States. It is the closest settlement to the headquarters of Guadalupe Mountains National Park, which contains Guadalupe Peak, the highest point in the state of Texas. Pine Springs is located on U.S. Routes 62...

, Texas, lasted less than a year, and the signs on that segment were changed to Texas State Highway 54, running from Interstate Highway 10 at exit 140A and heading to its northern terminus at U.S.