Injury crash caused by wrong-way driver blocks lanes on I-280 in San Francisco

Three cars were involved in a crash on Interstate 280 that blocked several lanes of the freeway in San Francisco on Monday afternoon. The crash was possibly due to a wrong-way driver.

The California Highway Patrol described it as a "major injury collision." At least three people were taken to the hospital, CHP said. The crash was triggered at around 2:30 p.m. when a driver headed north in southbound lanes near the Geneva Avenue on-ramp, CHP said.  

The CHP said at 3 p.m. it would take about an hour to reopen the four southbound lanes that were shut as part of the investigation. 

Drivers were encouraged to avoid the area or to take alternate routes. 

Bay City News contributed to this story.