Y.S. MANTRI & ASSOCIATES, LLC
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ITS | Traffic Design | Safety | Traffic Studies | Roadway | All Projects

Southern Avenue and Meridian Road Widening

YSMA designed drainage and roadway improvements at Meridian Road in the vicinity of Southern Avenue due to flooding during storm events, which rendered the intersection inoperable.

  • Aligned through lanes on Southern Avenue, which improved a previous 12 foot shift in alignment through the intersection.

  • Designed improvements to avoid relocation of gravity-fed sewer line and overhead power poles, as well as accommodated over 600 cfs runoff.

  • Garnered stakeholder support as project boundaries included Maricopa County, City of Mesa, Pinal County, and Apache Junction.

Before Condition

Post Construction

Roadway Projects
Southern Avenue and Meridian Road

I-17 and Pioneer Road Interchange Improvements

MC85 and Avondale Blvd Widening

University Drive and 96th Street

Alma School Road Improvements
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