Phoenix Metro Area Projects

Loop 303 Improvement Projects

Traffic Alerts

Loop 303 / El Mirage

  • Northbound Loop 303 on-ramp at El Mirage Road closed from 8 p.m. Friday to 8 p.m. Saturday (April 30) for paving as part of interchange construction project. DETOUR: Consider alternate routes. Northbound El Mirage Road traffic can detour along Williams Drive and northbound 117th Avenue to Happy Valley Parkway to access northbound Loop 303.

Loop 303 / I-10 Interchange

Loop 303 / I-10 Interchange work in West Valley

The Arizona Department of Transportation will have the following traffic restrictions in place as part of the new interchange project at Loop 303 and Interstate 10 in the West Valley.

  • Westbound I-10 ramp to northbound Loop 303 closed from 9 p.m. Monday (May 2) to 4:30 a.m. Tuesday (May 3) for bridge work.
  • Westbound I-10 ramp to northbound Loop 303 closed from 9 p.m. Friday (May 6) to 4:30 a.m. Monday (May 9) for bridge work.
  • Westbound I-10 ramp to northbound Loop 303 closed from 9 p.m. Monday (May 9) to 4:30 a.m. Tuesday (May 10) for bridge work.
  • Westbound I-10 ramp to northbound Loop 303 closed from 9 p.m. Friday (May 13) to 4:30 a.m. Monday (May 16) for bridge work.

ADOT works to inform the public about planned roadway restrictions, but there is a possibility that unscheduled closures or restrictions may occur. Weather can also affect a work schedule.

For more information about this work, please call 855.712.8530 or email projects@azdot.gov.