US 160: Long House Valley-Kayenta Pavement Rehabilitation Project


The Arizona Department of Transportation will begin a pavement preservation and rockfall mitigation project on US 160 between Long House Valley and Kayenta. The project is located on US 160 just south of Kayenta, between mileposts 372 and 389 on the Navajo Nation. 

The $12.5 million project will include removing the existing pavement and replacing it with new pavement, removing and replacing guardrail, constructing cattle guards, removing loose rock, replacing signage and other related work.

Project Area Map

US 160: Long House Valley, Kayenta Project Map

What to expect during construction

During construction, lane restrictions may be needed for crews to safely work on the roadway. As a result, drivers should expect slower traffic and delays. Details regarding traffic restrictions will be updated and posted on this project web page prior to the start of work.

ADOT reminds drivers to proceed through the work zone with caution, slow down and watch for construction personnel and equipment. 

Project Schedule

Construction will span over two construction seasons. Construction will shut down for the winter as pavement work cannot be performed during the winter months due to low temperatures and wet weather conditions. 

Schedule subject to change based on weather or other unforeseen circumstances.

Current Restrictions and Closures

There are no current restrictions or closures in place until the final surface paving resumes this summer.

For information about project-related restrictions and closures please visit or call 511, except while driving.

Stay informed of traffic restrictions before they occur by subscribing to receive project updates and traffic alerts by email.

Stay Informed

ADOT welcomes your questions and comments. Please contact us in any of these ways:

  • Online: Submit a question or comment through the ADOT website. Visit and then select Projects from the dropdown menu.
  • By phone: Call the ADOT Bilingual Project Information Line at 855.712.8530.
  • By mail: Write to ADOT Community Relations, 1655 W. Jackson St., MD 126F, Phoenix, AZ 85007.