Overturned USPS Tractor Trailer Causes Traffic Nightmare on Northbound State Route 29

7/13/17 A USPS big-rig flipped over early Thursday and prompted the closure of northbound State Route 29 just north of Tower Road near American Canyon, according to California Highway Patrol officials. According to CHP officials, who issued a Sig-alert, the crash was reported at 4:29 a.m. The big-rig is a United State Postal Service trailer […]