
Current and upcoming Loop 303/I-17 closures and restrictions (click here)
There are currently no planned closures or restrictions for this project.
There are currently no planned closures or restrictions for this project.
The Arizona Department of Transportation, in coordination with the Maricopa Association of Governments and the cities of Phoenix and Peoria, is planning for improvements to Loop 303 between Lake Pleasant Parkway and Interstate 17 that will include an additional general purpose lane in each direction, bridges to accommodate a future interchange at 67th Avenue, and a new Loop 303/I-17 system-to-system interchange. The project seeks to address growing traffic demands on Loop 303.
Construct new bridges to accommodate a future traffic interchange at 67th Ave
The Arizona Department of Transportation held a virtual public meeting on April 17 to provide details the design of Loop 303 improvements to address growing traffic demands.
Virtual Public Meeting Presentation
Virtual Public Meeting Presentation Script
Draft Air Quality Report (2025)
Loop 303, Lake Pleasant Parkway to I-17 Final Design Concept Report
In September 2022, the Arizona Department of Transportation, in coordination with the Maricopa Association of Governments, the Federal Highway Administration and the city of Phoenix, began construction on new Loop 303 traffic interchanges at 51st and 43rd avenues. The new interchanges will address expected traffic growth prompted by current and planned development in the area. The interchanges were completed and opened in September 2023.
In addition to the new traffic interchanges, the project also included:
Note: While the city of Phoenix’s long-range transportation plan identifies the planned extension of 43rd, 51st and 67th Avenue/Pyramid Peak Parkway south of Loop 303 based on future development, the city has no immediate plans to extend these roadways
On October 20, 2021, ADOT held a virtual public meeting to provide information about the proposed near-term and long-term improvement plans to Loop 303 between Lake Pleasant Parkway and Interstate 17.
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