Delays on US 191 between Clifton and Safford set to begin September 10

Motorists on US 191 between Clifton and Safford should expect delays starting Monday, Sept. 10, for a pavement preservation project. The work zone extends from milepost 139 to 151.

On Monday, Sept. 10, delays are possible between 5 a.m. and the late afternoon while crews pave a test section of the highway.

Starting Wednesday, Sept. 12, crews plan to begin working on the south end of the project at milepost 139. Motorists should prepare for significant delays, lane closures, and single lane traffic with flaggers and pilot cars each weekday between 4 a.m. and 6 p.m.

The project is expected to run through early 2019.

Key elements of the project include:

  • Milling the road surface
  • Sealing cracks
  • Building up the shoulders
  • Paving
  • Installing guardrail
  • Installing rumble strips (both edge and centerline)

Drivers should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.

For more information please visit the project website.

Schedules are subject to change based on weather and other unforeseen factors. For more information, please call the ADOT Project Information Line at 855.712.8530 or email For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511, except when driving.