About Route 40:
Interstate 40 (I-40) is a major west–east Interstate Highway in the United States. Its western terminus is at Interstate 15 in Barstow, California; its eastern terminus is at a concurrency of U.S. Route 117 and North Carolina Highway 132 in Wilmington, North Carolina.
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Route 40 Arizona Trip Planner
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Route 40 Arizona Driving Directions
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Route 40 Arizona Map
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Route 40 Arizona Route Details:
Barstow, Needles, Flagstaff, Kingman, Winslow
Route 40 runs horizontally across Arizona, in the northern half of the state, between The Grand Canyon and Phoenix.