State Route 578 - Washington Avenue

A 0.657 mile long section of Washington Avenue in Las Vegas is inventoried as Nevada State Route 578. Designated between I-15/U.S. 93 at Exit 44 and Las Vegas Boulevard (former SR 64), the unsigned route serves the Nevada Department of Transportation District Office between Main and 4th Streets.

A split diamond interchange (Exit 44) joins I-15/U.S. 93 with Washington Avenue at the west end of SR 578.
07/14/18
A service road connects the ramp linking I-15/U.S. 93 south to Washington Avenue with D Street nearby.
07/14/18
Washington Avenue passes below I-15/U.S. 93 ahead of the northbound entrance ramp to North Las Vegas.
07/14/18
Photo Credits:
- ABRoads: 07/14/18
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Page Updated Saturday October 18, 2025.