Interstate 15 South - Arizona to Garnet

Interstate 15 enters the Silver State ahead of Pioneer / Sandhill Boulevard (Exit 122) in Mesquite.
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Sandhill Boulevard extends south to W Mesquite Boulevard while Pioneer Boulevard runs parallel to I-15 west to Lower Flat Top Drive.
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I-15 passes under N Grapevine Road one mile ahead of W Mesquite Boulevard and Falcon Ridge Parkway (Exit 120).
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The locally maintained business loop follows W Mesquite Boulevard from downtown to the exchange with I-15 ahead.
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Interstate 15 advances southwest to Lower Flat Top Drive (Exit 118) next. Exit 118 opened to traffic July 2016.
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SR 170 ties into Interstate 15 one mile ahead at a diamond interchange (Exit 112).
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The state route loops back east to Bunkerville and Mesquite along a 11.405 mile long course.
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Interstate 15 continues toward the western Mormon Mountains 107 miles from the California state line.
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Carp Elgin Road extends north from Exit 100 across ranch lands and the Mormon Mountains into Lincoln County.
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SR 169 extends 18.598 miles north from Lake Mead Recreational Area to meet I-15 at a diamond interchange (Exit 93) one mile ahead.
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SR 169 travels the length of Moapa Valley, passing through Logandale and Overton en route to Lake Mead Recreational Area and Valley of Fire State Park.
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Glendale Boulevard connects I-15 to SR 168 west at Exit 91 in one mile.
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SR 168 branches 24.758 miles northwest from Glendale and Moapa to U.S. 93 near Coyote Springs.
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Glendale Boulevard travels west to the beginning of SR 168. The state route represents an original alignment of U.S. 93.
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Los Angeles debuts at 336 miles out as I-15 angles southwest from Glendale to the Las Vegas metro area.
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Beginning operation in 1965, the 612 MW coal-fired Reid Gardner Generating Station retired from service in 2017.
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A folded diamond interchange (Exit 84) joins I-15 with Hidden Valley Road north to SR 168.
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Valley of Fire Highway leads east from I-15 to Valley of Fire State Park one half mile ahead.
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Established by the state legislature in 1935, Valley of Fire State Park encompasses over 40,000 acres of bright red Aztec sandstone outcrops.
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Valley of Fire Highway ends 23.5 miles to the east at Northshore Road within Lake Mead Recreational Area.
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A Union Pacific Railroad line runs alongside Interstate 15 as the freeway advances southwest to Las Vegas.
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U.S. 93 (Great Basin Highway) ties into Interstate 15 from Caliente, Pioche and Ely in one mile at the Garnet Interchange (Exit 64).
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Construction through December 2018 updated the exchange between I-15 and U.S. 93 into a modified diverging diamond interchange.
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While U.S. 93 north advances to Caliente and Ely, U.S. 93 south follows I-15 to I-515/U.S. 93 near downtown Las Vegas.
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