City of Kingman, Stockton Hill Road Safety Project: Detroit Avenue to Airway Avenue

The Arizona Department of Transportation, in coordination with the city of Kingman, will begin work on a new road and safety improvement project on Stockton Hill Road, from Detroit Avenue to Airway Avenue.

The project, scheduled to begin Monday, Sept. 20, will enhance driver and pedestrian safety  in a 1.2-mile section of the city's busy retail, commercial and medical corridor.

Stockton Hill Rd Vicinity Map

Project Overview

The scope of work includes:

  • Installing advanced street-name signs.
  • Installing speed feedback signs.
  • Installing protected and permissive left-turn arrows.
  • Upgrading the reflective borders on the traffic signals.
  • Upgrading existing pavement markings.

What to expect during construction

  • Most of the work will take place overnight from 7 p.m. to 6 a.m. Monday through Friday.
  • Motorists should be prepared for brief delays in the work zone.
  • One travel lane in each direction will remain open at all times.
  • The speed limit will be reduced in the work zone.
  • Construction-related noise.

Project Schedule 

Construction is scheduled from mid- September through December 2021. More information will be posted during construction.

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.

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 Communications and Public Involvement, 3660 E. Andy Devine Ave., Kingman, AZ 86401