Massive S.F. car crash involving 19 vehicles snarls Highway 101 traffic – San Francisco Chronicle

A chain reaction collision involving 19 vehicles created heavy traffic on Highway 101 in San Francisco, Calif. according to the California Highway Patrol.
A chain-reaction collision involving 19 vehicles — possibly caused by heavy traffic and the glare of the sunrise — snarled the morning commute on Highway 101 in San Francisco on Wednesday morning, according to California Highway Patrol.
CHP officers received a report of a traffic collision at 6:49 a.m. on southbound 101, south of the Cesar Chavez on-ramp, said agency spokesperson Mark Andrews.
When officers arrived, they found “a series of collisions that occurred one behind the other” in the fast lane, said Andrews. “It was basically a domino-effect collision,” he said.
There was a total of six separate crashes involving 19 vehicles, he said.
One person was taken to San Francisco General Hospital for a complaint of pain with no visible injuries, said Andrews.
Chronicle staff writer Michael Cabanatuan contributed to this report.
Jessica Flores (she/her) is a San Francisco Chronicle staff writer. Email: Twitter: @jesssmflores
Jessica Flores is a reporter for The San Francisco Chronicle. Before joining The Chronicle in 2021, she worked for USA Today, NPR affiliate KPCC and Curbed LA. Originally from L.A., she received her master’s degree in journalism from the University of Southern California and a bachelor’s degree from Mount Saint Mary’s University in Los Angeles.