Phoenix Metro Area Projects

Loop 303 Improvement Project: North of Interstate 10

Traffic Alerts

Delays are expected on Loop 303 and US 60 (Grand Avenue) in the North West Valley until construction ends in summer 2016. Please plan extra travel time or use an alternate route.

Upcoming Restrictions/Closures
  • Grand Avenue (US 60) will be narrowed to one lane in both directions between Loop 303 and 163rd Ave. in Surprise for paving and traffic switch in construction work zone from 3 a.m. to 12 p.m. Saturday (April 18). Please avoid area if possible, allow extra travel time and consider alternate routes.
  • Loop 303 in both directions, between Happy Valley and US 60 (Grand Avenue), may be narrowed to one lane, and multiple flaggers may be present to direct traffic through summer 2015.
  • US 60 (Grand Avenue) near Loop 303 may be narrowed to one lane in both directions, and multiple flaggers may be present to direct traffic through summer 2015.