Northern Arizona drivers should plan for delays during overnight closure of Interstate 40 starting 9 p.m. Sept. 20.

Motorists will be detoured onto the ramps alongside the freeway

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The Arizona Department of Transportation urges northern Arizona drivers on Interstate 40 west of Flagstaff to prepare for delays while crews fully close Interstate 40 and begin work to replace the bridges at Exit 185 near the community of Bellemont.

Motorists are advised to allow extra travel time in accordance with the following updated schedule:

  • Westbound I-40 will close at Bellemont (Exit 185) from 9 p.m. Friday, Sept. 20to 2 a.m. Saturday, Sept. 21.
  • During this interstate closure, Transwestern Road passing over I-40 will also be closed.

DETOUR: I-40 traffic will be re-routed onto the ramps alongside I-40 through the construction zone.

Schedules are subject to change based on weather and other unforeseen factors. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or go to azdot.gov/contact and select Projects from the drop-down menu. For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at www.az511.gov, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.