U.S. Route 54 in New Mexico
U.S. Route 54 (US 54) is a part of the U.S. Highway System that travels from Griggsville, Illinois, to El Paso, Texas. In the U.S. state of New Mexico, US 54 extends from the Texas state line by Chaparral, New Mexico, and ends at the Texas state line by Nara Visa, New Mexico. The highway runs for in New Mexico. Nationally an east–west route but is signed as a north–south route through the state. Route description. US 54 enters New Mexico in Chaparral as part of the El Paso, Texas, metro area  network. It also serves as a military highway to connect Fort Bliss in El Paso to Holloman Air Force Base in Alamogordo, New Mexico, (via US 70). The speed limit is 75 mph on the divided highway section upon entering the state to approximately south of Alamogordo, with a 35 mph zone in Orogrande. Upon entering Alamogordo, US 54 becomes concurrent with US 70. US 54/US 70 then intersects the beginning of US 82 at the north end of Alamogordo (near La Luz). The limit is 60 mph from Alamogordo to Tularosa and 55 mph north of Tularosa, where  the concurrency with US 70 ends, and the highway reverts to being two lanes wide and not divided. The highway runs north through the central portion of the state, passing through Carrizozo and intersecting US 380. The route then turns northeast before passing through Vaughn. Upon entering Vaughn, the route is briefly concurrent with US 60 and US 285. In Vaughn, US 285 splits off to the south. Exiting Vaughn, US 60 splits off to the southeast, and the route continues northeast to Santa Rosa where it becomes concurrent with Interstate 40. The I-40 concurrency lasts for to Tucumcari. The  highway then exits the state back into Texas at Nara Visa.