A Muni train was involved in a traffic collision on San Francisco's M line Sunday afternoon. The line was temporarily delayed after the collision at 19th Avenue and Eucalyptus Drive at about 1:50 p.m.

San Francisco Muni bus drivers now have to ask their bosses to go to the bathroom during unscheduled breaks, and their union is not happy about it. It's part of a slate of rule changes. The SFMTA says ...

Many San Francisco drivers are familiar with the precipitous paved cliffs that double as the city’s roads. In a 40-foot-long vehicle that holds dozens of passengers, this hilly terrain is all the more ...