A multi-vehicle collision on Highway 101 at Highway 12 had northbound traffic at a near standstill for a several minutes Thursday morning, the CHP said.
The road was cleared at 11:55 a.m. but for about 20 minutes was backed up southbound to Todd Road, authorities said.
No one was injured in the 11:32 a.m. crash, emergency dispatchers said.
A pickup that spilled at least part of its load appeared to contribute to the road blockage, the CHP said.
Additional details were not immediately available.