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SR 347 Corridor Projects

SR 347 Corridor Projects

ADOT has several planned improvement projects on State Route 347 between Interstate 10 and State Route 238 in the City of Maricopa. This segment of SR 347 is located primarily within the Gila River Indian Community.

SR 347 Widening, I-10 to city of Maricopa

Project Elements: Adds one lane in each direction on SR 347 from I-10 to the northern limits of the City of Maricopa and makes intersection improvements for traffic flow and safety. 

Anticipated Schedule: This project is currently in final design and construction is expected to begin in late 2026.

More info: https://azdot.gov/projects/central-district-projects/sr-347-corridor-widening-i-10-city-maricopa

a project area map depicting the SR 347 corridor improvements, including pavement, widening, intersection improvements and a new interchange.

Riggs Rd Traffic Interchange at SR 347

Project Elements: Constructs a new interchange to fully separate traffic on SR 347 and Riggs Road to improve traffic flow and safety. 

Anticipated Schedule: This project is currently in final design and construction is expected to begin in late 2026. 

More info: https://azdot.gov/planning/transportation-studies/riggs-road-traffic-interchange-sr-347

Casa Blanca Road and Mammoth Way Intersections

Project Elements: Modify each intersection layout to improve traffic flow and safety. The intersection projects are being designed as part of the SR 347 widening project.

Anticipated Schedule: This project is currently in final design and construction is expected to begin in late 2026.

More info: https://azdot.gov/projects/central-district-projects/sr-347-corridor-widening-i-10-city-maricopa

SR 347 Pavement Preservation

Project Elements: Repave SR 347 between I-10 (MP 189.3) and Lakeview Drive (MP 175.7) at the northern limits of the City of Maricopa to create a smoother drive and extend the life of the roadway.

Anticipated Schedule: This project is currently in final design and construction is expected to begin in late 2026.

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