South Central Projects

Intersection of State Route 90 and Buffalo Soldier Trail


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The Arizona Department of Transportation started a pavement and improvement project at the intersection of Buffalo Soldier Trail and Hatfield Street (milepost 316) in Sierra Vista.

The $2.6 million project will consist of paving and widening the shoulder of the roadway; adding a designated right-turn lane; constructing a new sidewalk, guardrail and culvert; improving drainage; installing signage; and replacing traffic signals and street lights.

  • Work will continue through summer 2018.
  • Crews are scheduled to work from 6 a.m. to 6 p.m. weekdays.
  • Right lane closures on the four sides of the intersection (SR 90, Hatfield St. and Buffalo Soldier Trail). Right lanes will be closed to begin widening the shoulder.
  • The speed limit will be reduced to 35 MPH in the work zones.
  • Expect heavy delays and consider alternate routes when work begins.

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Schedules are subject to change based on weather and other unforeseen factors. Subscribe to receive project updates and traffic alerts by email. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or submit a question or comment by email.  For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.

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