Phoenix Metro Area Projects

Loop 303 Improvement Project: North of Interstate 10

Traffic Alerts

Loop 303 / I-10 Interchange
  • Update: The I-10 frontage roads connecting to and from Cotton Lane are anticipated to open in mid-November 2014.
US 60 to Happy Valley Parkway
  • Loop 303 will be narrowed to one lane in each direction between US 60 (Grand Avenue) and Happy Valley Parkway.

For the most current information on closures and restrictions, ADOT recommends bookmarking this page and subscribing to receive traffic alerts by email. ADOT reminds drivers to allow extra travel time and to proceed with caution through active work zones.