SR 668 highlighted in red
|Maintained by NDOT|
|Length||0.314 mi (0.505 km)|
|South end||Hymer Avenue in Sparks|
|I‑80 in Sparks|
|North end||I‑80 Bus. in Sparks|
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).
|0.000||0.000||Hymer Avenue||Southern terminus|
|I‑80 – Elko, Sacramento|
|0.314||0.505||I‑80 Bus. (Victorian Avenue)||Northern terminus|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Nevada Department of Transportation (January 2017). "State Maintained Highways of Nevada: Descriptions and Maps". Retrieved 2017-01-19.
- Google (July 27, 2011). "Overview of SR 668" (Map). Google Maps. Google. Retrieved July 27, 2011.
- Nevada State Maintained Highways: Descriptions, Index and Maps. Nevada Department of Transportation. January 2001. p. 117.
|Wikimedia Commons has media related to Nevada State Route 668.|