Interstate 8: mileposts 135 to 141 pavement preservation


The Arizona Department of Transportation and the Federal Highway Administration are initiating a project to maintain pavement structural integrity and improve safety on Interstate 8 between milepost 135 and west of the Pinal county line (milepost 141). 

Project Area

The project is located on I-8 between milepost 135 and west of the Pinal County line (milepost 141).

I-8 Pavement Preservation: Milepost 71-82 MapClick to enlarge map.

Project Elements

  • Removing and replacing existing pavement.
  • Minor bridge rehabilitation.
  • Remove and replace cattle guards, guard rails, and spillways.  
  • Bridge railing will be replaced with concrete barriers. 
  • Building up the shoulder of the road and pipe relining.
  • Replacing pavement markings and other related work. 

Project Schedule

Construction is scheduled to begin late spring 2023 with completion anticipated in spring 2024.


What to Expect 

Expect delays as lane restrictions on I-8 will be necessary. Work is scheduled to occur weekdays from 6 a.m. to 6 p.m. 

Drivers are asked to obey posted speed limits and traffic control devices and use caution around construction personnel and equipment. Schedules are subject to change based on weather and other unforeseen factors. 

Stay Informed

Subscribe to receive project updates and traffic alerts by email. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or submit a question or comment by email. For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.

Pursuant to Title VI of the Civil Rights Act of 1964, the Americans with Disabilities Act (ADA) and other nondiscrimination laws and authorities, ADOT does not discriminate on the basis of race, color, national origin, sex, age, or disability. Persons that require a reasonable accommodation based on language or disability should contact Stephanie Dyer at [email protected] or 855.712.8530. Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.