NM 608's southern terminus was at NM 609 in Gallup, and the northern terminus was at U.S. Route 491 (US 491) north of Gallup.

NM 608 was given to the city of Gallup in 2017.

The road is now known as Ninth Street.

The entire route is in Gallup, McKinley County.

This New Mexico road or road transport-related article is a stub.