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UPDATE: Plan for continued lane restrictions on north- and southbound SR 387 (Pinal Avenue) in Casa Grande through July 14

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UPDATE: Plan for continued lane restrictions on north- and southbound SR 387 (Pinal Avenue) in Casa Grande through July 14

This advisory extends the lane restrictions end date from July 10

The Arizona Department of Transportation, in conjunction with the City of Casa Grande, advises drivers to plan for continuing lane restrictions on State Route 387 (Pinal Avenue) through Tuesday, July 14, for a traffic signal installation as part of an intersection improvement project. 

Motorists can expect the following restrictions on weekdays: 

  • North- and southbound lane restrictions on SR 387 between mileposts 4.53 and 4.65 from 7 a.m. to 4 p.m. through Tuesday, July 14. 
  • A flagging operation within the work zone. 
  • The speed limit to be reduced to 25 mph in the work zone.

Drivers should allow extra travel time, use caution, be prepared to slow down and merge safely when approaching and traveling through all work zones.

Schedules are subject to change due to weather and other unforeseen circumstances.

street map with project area highlighted
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Centennial Boulevard and Pinal Avenue (SR 387) Intersection Improvements

Centennial Boulevard and Pinal Avenue (SR 387) Intersection Improvements

Contents

  1. Overview
  2. Project Fact Sheet
  3. Project Elements:
  4. Project Area Map
  5. What to Expect
  6. Schedule
  7. Project Photos
  8. Stay Informed

City of Casa Grande Logo

Overview

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

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

Centennial Boulevard and Pinal Avenue (SR 387) Intersection Improvements in Casa Grande

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.

Contents

  1. Overview
  2. Project Fact Sheet
  3. Project Elements:
  4. Project Area Map
  5. What to Expect
  6. Schedule
  7. Project Photos
  8. Stay Informed