NTSB regulators investigate why safety mechanism failed to prevent fiery Caltrain collision

The National Transportation Safety Board spent much of Friday sifting through evidence at the site of Thursday's fiery collision involving a Caltrain commuter train in San Bruno. Investigators are looking into why a key safety mechanism, installed on the train, was unable to prevent its collision with a three car work train, carrying two cranes.

Person falls onto BART tracks at San Bruno station

BART is reporting a person fell onto the trackway at San Bruno station Tuesday afternoon. Trains did not stop at the station for about an hour, due to a “major medical emergency.”

This Bay Area highway is the deadliest for roadkill in California

Tens of thousands of mountain lions, bears, bighorn sheep, squirrels, birds and lizards have met their fate in collisions with vehicles across California, according to a “roadkill” report that names a San Francisco Bay Area highway as the state’s deadliest for wildlife.