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Plan for lane restrictions on US 95 in San Luis beginning Sept. 28

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Drivers should expect delays and allow extra travel time

The Arizona Department of Transportation, in coordination with the City of San Luis, advises motorists to plan ahead for lane restrictions, reduced speed limit and a vehicle width restriction on US 95 in San Luis. 

The following lane restrictions will occur 24 hours a day, seven days a week beginning 6 a.m. Monday, Sept. 28, and continuing through late December 2026.

  • The north- and southbound travel lanes on US 95 between County 21st and County 22nd streets will be reduced to one lane in each direction. 
  • The speed limit will be reduced to 35 mph.
  • A 12-foot vehicle width restriction will be in place. 

Drivers should proceed through the work zone with caution, slow down and watch for construction and law enforcement personnel and equipment.

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US 95, County 21st Street to County 22nd Street Raised Medians

US 95, County 21st Street to County 22nd Street Raised Medians

Contents

Overview

The Arizona Department of Transportation, in coordination with the City of San Luis, is starting a project to install a new median curb on US 95 between County 21st Street and County 22nd Street in the City of San Luis.

Project Map

Project map showing US 95 between County 21st Street and County 22nd Street in San Luis, Arizona

Project Elements

  • Installing new median curb
  • Replacing and installing new signage, as needed
  • Installing new pavement markings, as needed

Project Schedule

Construction is scheduled to begin in late September 2026 and is expected to take six months to complete.

  • 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.