Southbound I-17 will go down to two lanes between Loop 303 and Happy Valley Road in north Phoenix from 9 p.m. Friday to 8 a.m. Sunday due to lane striping as part of a pavement improvement project.

Colorado's Department of Transportation warns wet and icy pavement is causing delays on I-70 between Rifle and Vail. Ice is also present on Interstate 25 north of the Denver metro area ...