State Route 68 Union Pass in Golden Valley Safety Improvement Project


The Arizona Department of Transportation has initiated a highway safety improvement project on State Route 68 in Golden Valley at Union Pass. 

SR 68 At Union Pass Traffic Alert

What to Expect

  • Intermittent east- and westbound lane closures week days from 5 a.m. to 6 p.m. – between mileposts 8 to 11– beginning Monday, Sept. 14, and continuing through December 2020.
  • The speed limit will be reduced in the work zone, which is approximately 9 miles east of the Bullhead City International Airport.
  • ADOT reminds motorists to use caution around construction personnel and equipment, and be prepared to merge into the open travel lane.

Safety Improvements

  • Construction includes the installation of new guardrail, a radar-speed feedback sign, rumble strips and lane striping. 

Project Schedule

  • Mid-September through December 2020.

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

Restrictions and Closures

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

ADOT will provide more information about project schedules and potential traffic impacts as information becomes available. Stay informed of traffic restrictions before they occur by subscribing to receive timely traffic alerts by email.

Stay Informed

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

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