Area overview - backups in Rancho Cucamonga, Ontario, Chino, Chino Hills, Corona 7:24 a.m.

Traffic is slowing on the westbound 210 Freeway at Day Creek in Rancho Cucamonga, the westbound Highway 60 between Mountain and Ramona Avenue and Highway 71 north- and southbound at Euclid Avenue, according to Caltrans. The westbound Highway 91 is also crawling due to commuter traffic.