State Road 170 (NM 170) is a 19.599-mile-long (31.542 km) state highway in the US state of New Mexico.

NM 170's southern terminus is at U.S. Route 64 (US 64) west of Farmington, and the northern terminus is a continuation as Colorado State Highway 140 (SH 140) at the New Mexico/Colorado state line.

[1] The entire route is in San Juan County.

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