By Phillip Matier and Andrew Ross : Chronicle Columnists : SFgate.com – excerpt
Two of BART’s busiest San Francisco stations could be on track for a $900 million expansion, complete with new tunnels, elevators and extra platforms to boost rider capacity.
The rebuilding of the Embarcadero and Montgomery Street stations would require tearing out the existing walls, installing new platforms, boring additional tunnels for staircases, and putting in extra elevators.
For added safety, the new platforms would have automated sliding glass doors that would open when the trains arrive.
The whole job could take more than five years, but the stations would remain open during that time… (more)