By Keith Laing - 10/17/13 12:02 PM EDT
Metro has traditionally relied heavily on government workers for ridership since its inception in the 1970s.
Many federal workers receive a tax benefit for commuting by Metro in lieu of driving.
The capital area transit agency has traditionally trailed only the New York City subway system in daily ridership.
Approximately 800,000 employees were furloughed until lawmakers reached an agreement on Wednesday to end the shutdown.