New Mexico State Highways
The New Mexico state highway system not including Interstates or US numbered highways consists of 412 state roads, totaling 7,405.762 miles (11,918.419 km) that criss-cross the 33 counties of the state. Most highway numbers are one, two, or three digits long, however there are three highways that have four digit highway numbers. These highways are New Mexico State Road 1113 (NM 1113), NM 5001, and NM 6563.
The state roads are maintained by the New Mexico Department of Transportation (NMDOT). The NMDOT is responsible for the construction, maintenance, and operation of the state’s highways, roads, and bridges. The NMDOT also provides traffic management services, such as traffic signals, signs, and markings.