List of U.S. Routes in New Mexico
U.S. Routes in the U.S. state of New Mexico account for 2,980.838 miles (4,797.194 km) of the state highway system. The first United States Numbered Highways U.S. Routes were formed in 1926, and served as the primary thoroughfares across the entire state.
Source: Wikipedia — List of U.S. Routes in New Mexico (CC BY-SA 4.0)