Area overview, congestion through Montclair, Ontario 7:36 a.m.
Highway 60 has several areas of congestion including the westbound 60 at Central in Montclair and Milliken Avenue in Ontario. The eastbound 60 also has some backups at Ramona Avenue. Caltrans is reporting some slow traffic on the northbound Highway 71 in Chino Hills as well as the westbound Highway 91 at Main Street in Corona.