BART woes continue as East Bay station stays closed
Transit officials said they haven’t pinpointed a “root cause” for a track power-surge problem that took out 50 BART cars last week north of the North Concord Station, causing them to cease train service between North Concord and Pittsburg-Bay Point to avoid damage to other trains. The electrical spikes have been damaging the cars’ propulsion system, specifically causing a semiconductor device called a thyristor to fail. Since Wednesday night, BART has provided bus service between the two stations. Читать дальше...
