A man was killed and a woman severely injured Saturday morning in a single-vehicle crash on southbound Interstate 280 in San Francisco, according to the California Highway Patrol.
Speed was thought to have been a factor in the crash near the Cesar Chavez exit, and neither occupant was wearing a seat belt, CHP spokesperson Mark Andrews told the Chronicle.
Officers responded to the crash of a black Hyundai Ioniq at 7:12 a.m. and found both the driver and passenger with severe injuries, he said…