Metro train doors will automatically open within three to five seconds after the train stops. ... This new system is expected to save up to 10 seconds per stop, ...

Metro estimates in today’s dollars, it would cost $5.65 billion, with $3.6 billion of that for upgrade railcars and the rail signaling system, and $2.1 billion for full automation with platform ...

The transit system previously launched auto doors on the Red Line last December. Officials say in all, 10 seconds will be saved at each Metro stop using the new doors.

Metro leaders and employees gathered at Judiciary Square to mark the end of a project in which taller faregate doors were installed at all 98 stations.