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.
Washington Avenue - East
Washington Avenue east at D Street.
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A split diamond interchange (Exit 44) joins I-15/U.S. 93 with Washington Avenue at the west end of SR 578.
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07/14/18
A service road connects the ramp linking I-15/U.S. 93 south to Washington Avenue with D Street nearby.
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07/14/18
Washington Avenue - East
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Washington Avenue passes below I-15/U.S. 93 ahead of the northbound entrance ramp to North Las Vegas.
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07/14/18
Washington Avenue makes an S-curve below a Union Pacific Railroad line.
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07/14/18
Main Street branches southwest from Las Vegas Boulevard to intersect Washington Avenue en route to Downtown Las Vegas.
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07/14/18
Washington Avenue - West
Washington Avenue (SR 578) rises west from Las Vegas Boulevard (old SR 604) to intersect Veterans Memorial Drive south.
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Washington Avenue - West
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The lone shield assembly for Nevada State Route 578 is an end marker posted along Washington Avenue west at E Street.
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Photo Credits:
- ABRoads: 07/14/18, 10/21/25
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Page Updated Tuesday October 28, 2025.