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Big improvements — and possibly interim traffic headaches — coming to north Valley Loop 303

Loop 303, Lake Pleasant Parkway to I-17 Improvements
ADOT
Loop 303, Lake Pleasant Parkway to I-17 Improvements

Big improvements — and possibly some interim traffic headaches down the road — are coming to the Loop 303 in the north Valley.

The Arizona Department of Transportation is getting ready to widen a 7-mile stretch of freeway between Lake Pleasant Parkway and I-17. Phase one of the project is already underway, says ADOT spokesman Doug Nintzel.

"We're going to provide more room for a second lane for traffic exiting northbound I-17 to get to Loop 303 and Sonoran Desert Drive. That's going to make a big difference by early next year."

Phase 2 and 3 will include the addition of lanes to Loop 303. The plan is to add one lane in each direction, bridges to accommodate a future interchange at 67th Avenue and a new Loop 303/I-17 system interchange.

The entire project is expected to be wrapped up by mid-2028.

More information is available at azdot.gov/L303LakePleasantI-17.

KJZZ senior field correspondent Kathy Ritchie has 20 years of experience reporting and writing stories for national and local media outlets — nearly a decade of it has been spent in public media.