well, we're learning more details about the crash that killed a family of four in pleasanton. police say speed may have been a factor in that crash on wednesday night, when the car collided with a large oak tree. that car caught fire after the crash. police say two parents and their children, both under the age of 15, died. proposed changes to the traffic flow in a san francisco neighborhood are on hold, comes after a crash last month that killed a family of four at a bus shelter in west portal. the city quickly moved to try and improve safety. local leaders say the current plan needs more consideration. they're asking a second proposal be developed with greater focus on passenger zones, traffic impacts and the location of bus stops. some residents were also concerned about impacts on businesses. and happening now, a stretch of freeway is shut down in the east bay and it won't reopen until monday. nine miles of 680 southbound are closed through pleasanton between the 580 connector and koopman road. caltrans is working on road repairs and they've tried to do this twice already,