bay area rapid transit 意味

• バート、サンフランシスコ市の通勤用高速鉄道◆【略】BART ; Bart
  Nearly a quarter of a million people ride BART each day.
  If there's a BART strike, I guess I'll have to try to catch the bus all day.
  I like to grab a quick snack before boarding a BART train.<+もっと...br>He threw himself in front of a BART train.
  A teenager was shot and killed by two juveniles last night at the Richmond BART station.