Sig Alert, 10 Freeway, Colton 11:01 a.m.
A tractor trailer hauling sawdust overturned on the westbound 10 Freeway on Wednesday morning, blocking several lanes and prompting a Sig Alert.
The 10:47 a.m. crash east of 9th Street also involved a vehicle that rolled several times and landed on its roof, according to the California Highway Patrol.
A hazardous materials crew came to the scene to clean up a fuel spill and Caltrans personnel cleaned up the sawdust.
Officers issued a Sig Alert at 11:01 a.m. The freeway wasn't expected to be completely reopened until about 3:30 p.m.