Metro Updates Status of 7000-Series Trains | NBC4 Washington

Metro Updates Status of 7000-Series Trains | NBC4 Washington

Metro says it’s getting closer to figuring out what caused the problems with its 7000-series railcars. News4’s Juliana Valencia reports Metro is also warning that older SmarTrip cards will no longer work starting next week. _______ NBC4 Washington / WRC-TV…