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Plan for a speed limit reduction on SR 85 near Gila Bend as construction on a drainage project continues

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The Arizona Department of Transportation advises drivers to prepare for reduced speed limits on State Route 85, south of Gila Bend, as construction on a new drainage improvement project continues.

Motorists can expect the speed limit to be reduced around the clock to 45 mph between mileposts 4 and 6 through January 2027.

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State Route 85, between mileposts 4 and 6 Drainage Improvements

State Route 85, between mileposts 4 and 6 Drainage Improvements

Contents

  1. Overview
  2. Project Area Map
  3. Project Elements
  4. Project Schedule
  5. Stay Informed

Overview

The Arizona Department of Transportation is designing a project to make drainage improvements at existing concrete box culverts on State Route 85, south of Gila Bend between mileposts 4 and 6.

Project Flyer - English
Project Flyer - Spanish

Project Area Map

State Route 85, between mileposts 4 and 6 Drainage Improvements Map

Project Elements

  • Extending existing box culverts at five different locations
  • Replacing existing pavement
  • Removing existing guardrail
  • Replacing existing fence
  • Placing a layer of large stones to prevent erosion
  • Installing pavement marking and other related work

Project Schedule

Construction began August 2026 and is expected to take six months to complete.

Stay Informed

...
  • Email: Subscribe to receive project updates and traffic alerts.
  • Phone: Call the ADOT Bilingual Project Information Line at 855.712.8530.
  • Online: Submit a question or comment by email at [email protected].
  • Twitter: Follow ADOT on Twitter at (@ArizonaDOT) for real-time highway conditions statewide.

Contents

  1. Overview
  2. Project Area Map
  3. Project Elements
  4. Project Schedule
  5. Stay Informed