I-10 Prince Rd to I-19 Valencia Rd LED lighting Project

I-10 Prince Rd to I-19 Valencia Rd LED lighting Project



The Arizona Department of Transportation has initiated a project to replace existing light fixtures with new light fixtures on east- and westbound I-10: Prince Road to north- and southbound I-19: Valencia Road in Tucson to improve visibility and roadway safety.

Project Flyer

Project Elements

  • Replacing high-pressure sodium luminaires (HPS) with new light emitting diode (LED) fixtures; and 
  • Other miscellaneous improvements. 

Project Area Map

I-10 Prince Rd to  I-19 Valencia Rd LED lighting Project Map

The project limits extend from I-10: Prince Road (milepost 254) to I-19: Valencia Road (milepost 59).

Project Schedule

The project is scheduled to begin construction in summer 2024 and is expected to be completed in spring 2025. Schedules are subject to change due to weather or other unforeseen circumstances.

What to Expect

  • Expect short-term lane restrictions and possible lane closures along east- and westbound I-10 and north- and southbound I-19 while fixtures are being replaced. 
  • Temporary portable traffic control signals will be utilized during construction to move motorists through the intersection. 
  • One lane of travel in each direction will be maintained during construction.
    Construction is tentatively scheduled from 6 a.m. to 6 p.m. Monday through Friday. 
  • ADOT will provide advance notice of restrictions and closures to email subscribers.

Stay Informed

  • By email: Subscribe to receive project updates and traffic alerts.
  • By phone: Call the ADOT Project Information Line at 855.712.8530.
  • Online: Submit a question or comment via email to Dulce Maria Rojo at [email protected]
  • For real-time highway conditions statewide, follow ADOT on Twitter  (@ArizonaDOT), visit az511.gov or call 511, except while driving.