Centennial Boulevard and Pinal Avenue (SR 387) Intersection Improvements

The Arizona Department of Transportation in partnership with the City of Casa Grande began a project in January 2026 to install a traffic signal at Centennial Boulevard and Pinal Avenue (State Route 387). Additional improvements will feature: curb ramps for pedestrian accessibility, a right-turn lane for southbound to westbound traffic, and other related items.

Project Fact Sheet

English PDF

Spanish PDF

Project Elements:

Installing traffic signals, pedestrian push buttons, and lighting on all four corners of the intersection
Constructing new sidewalk ramps
Constructing a right-turn lane from SR 387 to Centennial Boulevard
Installing signage
Restriping the intersection
Other miscellaneous improvements

Project Area Map

Centennial Boulevard and Pinal Avenue (SR 387) Intersection Improvements Project Map

What to Expect

Temporary portable traffic devices will direct traffic through the project area during construction.
Motorists should expect 24/7 lane restrictions and temporary delays as traffic is redirected through a single travel lane. One lane in each direction will be kept open at all times on SR 387.
ADOT will provide advance notice of restrictions and closures to email subscribers and on the project website.

Schedule

The project began construction in January 2026 and is expected to be completed in the fall of 2026. Schedules are subject to change due to weather and other unforeseen situations.

Project Photos

Stay Informed

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

Phone: For more information, please call the city of Casa Grande at 520. 421.8625
City of Casa Grande Email: Owen Mills Senior Project Manager, Public Infrastructure [email protected]
Mail: 3181 N. Lear Ave., Casa Grande, AZ 85122
ADOT Email: 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.