U.S. Route 54 (US 54) is an east–west United States highway that runs northeast-southwest for 1,197 miles (1,926 km) from western Illinois to El Paso, Texas. It enters and leaves Texas twice. The Union Pacific Railroad's Tucumcari Line (former Southern Pacific and Rock Island Lines "Golden State Route") runs parallel to US-54 from El Paso to Pratt, Kansas, which comprises about two-thirds of the route.
As of 2004, the highway's eastern terminus is Griggsville, Illinois, at Interstate 72 and Illinois Route 107. Its western terminus is El Paso, near the United States-Mexico border.
US 54 begins in El Paso at Loop 375 downtown. (US 54/Patriot Freeway) The highway serves as a major freeway for the Metro area's network, running north-south along the city's eastern slope of the Franklin Mountains range. The highway runs through the city for approximately 20 miles (32 km) before reaching the New Mexico state line. Within the network, it is a military connector for Fort Bliss and Holloman Air Force Base.
U.S. Route 54 in Texas is a U.S. Highway that travels through two portions of Texas: one in the far western point, and the other in the far northwest Panhandle.
US 54 begins in El Paso, Texas, as a controlled access highway at an intersection with Loop 375. The route then travels northward, joining up with I-110 within the first mile. A mile later, these highways intersect Interstate 10 at a complex, three level high expressway interchange which the locals call the "Spaghetti Bowl." I-110 ends here, while US 54 continues north through El Paso. The route turns northeast, becoming a rare example of a collector-express freeway in Texas (until the Pershing Drive exit) before entering New Mexico. The route re-enters Texas in the northwest Panhandle, traveling northeast through sparsely populated country. The route intersects US Route 87 and US Route 385 in Dalhart and US Route 287 in Stratford, before exiting into the Oklahoma Panhandle at Texhoma.