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Lane closures planned at the intersection of SR 187 and SR 87 on the Gila River Indian Community Aug. 19

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Drivers traveling within the Gila River Indian Community near Sacaton should plan for daytime lane closures at the State Route 187 and SR 87 intersection Wednesday, Aug. 19, as part of the pavement improvement project.

The following restrictions are scheduled from 5 a.m. to 8 p.m.:

  • SR 87 will be narrowed to one lane in each direction at SR 187.
  • SR 187 will be narrowed to one lane in each direction at SR 87.
  • Law enforcement will direct traffic through the intersection. Drivers should be prepared to stop and expect delays.
  • A 12-foot vehicle width restriction will be in place.
  • The speed limit will be reduced to 25 mph.

Delays are likely, so allow extra travel time. Proceed through the work zone with caution, slow down and watch for construction and law enforcement personnel and equipment.

Visit the project website for more information and to subscribe for project updates by email.

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State Route 187: SR 387 to SR 87 Improvement Project

State Route 187: SR 387 to SR 87 Improvement Project

Contents

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

Overview

The Arizona Department of Transportation began a pavement preservation project on State Route 187 on the Gila River Indian Community in October 2025. These improvements include pavement preservation, shoulder widening and adding new turn lanes.  These improvements will reduce congestion and improve mobility. 

Project Fact Sheet

Spanish PDF

Project elements

  • Adding a new right-turn lane on SR 187 approaching SR 87 
  • Adding a new right-turn lane on SR 87 approaching SR 187
  • Adding a new left-turn lane on SR 187 approaching Casa Grande Road
  • Widening SR 187 to accommodate 8-ft shoulders on both sides
  • Removing and replacing the asphalt
  • Constructing drainage improvements
  • Replacing bridge railing
  • Relocating traffic signal equipment at the SR 187/SR 87 intersection

Project Area Map

Map State Route 187: SR 387 to SR 87 Improvement Project

 

Project Schedule

Construction began in October 2025 and is projected to be completed in fall 2026. ADOT will provide advance notice of restrictions and closures once construction starts. Schedules are subject to change due to weather and other unforeseen circumstances.

What to Expect

  • Traffic control devices will guide motorists through the construction area. 
  • Construction work is tentatively scheduled from 6 a.m. to 6 p.m. Monday through Friday. 
  • Expect temporary delays as traffic is redirected through a single travel lane. 
  • ADOT will provide advance notice of restrictions and closures to email subscribers. 

Project Photos

State Route 187: SR 387 to SR 87 Improvement Project

SR187 Paving Project

Project Videos

Stay Informed

...
  • By email: Subscribe to receive traffic alerts and project updates directly to your email.
  • By phone: Call the ADOT Project Information Line at 855.712.8530
  • Online: Submit a question or comment to Dulce Maria Rojo at [email protected].

For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at www.az511.gov, follow ADOT on Twitter @ArizonaDOT or call 511, except while driving.

Contents

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