New Mexico State Road 21

State Road 21
NM 21 highlighted in red
Route information
Maintained by NMDOT
Length	34.447 mi[1] (55.437 km)
Major junctions
West end	US 64 in Cimarron
East end	I-25 BL / US 56 / US 412 in Springer
Location
Country	United States
State	New Mexico
Counties	Colfax
Highway system
New Mexico State Highway System Interstate US State Scenic
← NM 20 → NM 22

New Mexico State Road 21 (NM 21), is a 34.447-mile-long (55.437 km) state highway located entirely in Colfax County in the U.S. state of New Mexico. The road starts in the center of the town of Cimarron at U.S. Route 64 (US 64) and runs southward then east to an intersection with unsigned I-25 Business (I-25 Bus.) and the western termini of US 56 and US 412 in Springer.