A tour bus and at least three other cars were involved in an accident on the Peninsula Tuesday morning, prompting a Sig-Alert near Menlo Park.
According to the California Highway Patrol log, the accident was reported at 7:37 a.m. on southbound Interstate Highway 280 at Sand Hill Road, and the Sig-Alert was issued about 20 minutes later.
All lanes were re-opened by 8:40 a.m.
A tour bus, Honda, BMW and sedan were mentioned in the log. The sedan was on its roof, and the log noted there was a "person laying in the slow lane." There was no immediate word on the injured.