New Mexico State Road 4

State Road 4
NM 4 highlighted in red
Route information
Maintained by NMDOT
Length	67.946 mi[1] (109.348 km)
Tourist routes	Part of Jemez Mountain Trail National Scenic Byway
Major junctions
West end	US 550 in San Ysidro
Major intersections	NM 290 in Jemez Pueblo NM 485 north of Cañon NM 126 in La Cueva NM 501 southwest of Los Alamos
East end	NM 502 north of White Rock
Location
Country	United States
State	New Mexico
Counties	Sandoval, Los Alamos, Santa Fe
Highway system
New Mexico State Highway System Interstate US State Scenic
← NM 3 → NM 5

New Mexico State Road 4 (NM 4) is a 67.946-mile-long (109.348 km) state highway in Sandoval, Los Alamos, and Santa Fe counties in New Mexico, United States. It is significant as the main access route (in conjunction with NM 501 and NM 502) connecting the remote town of Los Alamos, Los Alamos National Laboratory, and Bandelier National Monument to other, more major highways in New Mexico.