Nevada State Route 668

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State Route 668 marker

State Route 668
Rock Boulevard
Route information
Maintained by NDOT
Length: 0.314 mi[1] (0.505 km)
Existed: 1976 – present
Major junctions
South end: Hymer Avenue in Sparks
North end: I‑80 Bus. in Sparks
Highway system

Nevada State Routes

SR 667 SR 671

State Route 668 (SR 668) is a short state highway in Washoe County, Nevada. It runs along a small section of Rock Boulevard in Sparks.

Route description[edit]

State Route 668 begins at the intersection of South Rock Boulevard and Hymer Avenue in an industrial business section of Sparks. The route heads north from there along Rock Boulevard, passing underneath the Union Pacific railroad tracks and interchanging with Interstate 80 (I-80). SR 668 ends after 0.314 miles (0.505 km), at its intersection with Victorian Avenue (I-80 Business).[1][2]


The route was created on July 1, 1976, during the renumbering of Nevada's state highways.[3]

Major intersections[edit]

The entire route is in Sparks, Washoe County.

Mile[1] km Destinations Notes
Hymer Avenue
I‑80 – Elko, Sacramento
I‑80 Bus. (Victorian Avenue)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi