A Look Inside the D.C. Metro Lab - NBC4 Washington

    A Look Inside the D.C. Metro Lab

    Metro escalators and elevators can be a source of frustration for riders on a daily basis. Metro is working to improve the systems without even taking a step inside a station. News4 was the first TV crew to film the one place that keeps riders on the move. Transportation reporter Adam Tuss takes us inside the Metro Lab. (Published Monday, Aug 12, 2013) Metro escalators and elevators can be a source of frustration for riders on a daily basis. Metro is working to improve the systems without even taking... See More