PHOENIX-The Arizona Department of Transportation is advising motorists to plan ahead and expect to use detours as westbound Interstate 10 is closed between US 60 and 32nd Street from 10 p.m. Friday, March 31 to 4 a.m. Monday, April 3. Crews with the Interstate 10 Broadway Curve Improvement Project will be conducting traffic shifts in preparation of opening the new Broadway Road bridge over I-10. The following ramps will be closed.