State Route 170

Nevada State Route 170 encompasses 11.405 miles of Riverside Road, joining Interstate 15 with Bunkerville and Mesquite in northeastern Clark County. SR 170 represents the pre-interstate alignment of former U.S. 91.

West

Riverside Road extends south from Interstate 15 Business (Mesquite Road) in western Mesquite.
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According to the official Description Index for Nevada State Maintained Highways, SR 170 formally begins along Riverside Road ahead of the first of two crossings for the Virgin River.
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A multiuse trail lines SR 170 (Riverside Road) between the southern end of Mesquite to Bunkerville.
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Riverside Road represents the former routing of U.S. 91 prior to the construction of Interstate 15.
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SR 170 travels between the Virgin River and Virgin Valley on the ensuing stretch southwest to the community of Riverside.
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SR 170 curves northwest ahead of Gold Butte Road to Gold Butte National Monument.
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Milepost 0 along SR 170 ahead of the interchange with I-15.
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Downtown Las Vegas is 70 miles to the southwest of the western end of SR 170.
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Interstate 15 north returns to Mesquite before crossing into the northwest corner of Arizona en route to St. George, Utah.
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Connect with:

Interstate 15

Business Loop I-15 - Mesquite

Page Updated Sunday February 08, 2026.