Nine roundtrips on Saturday and six roundtrips on Sunday between Baltimore and D.C. New service on Martin Luther King Jr. Day and other holidays.
Read more in the Baltimore Brew: https://www.baltimorebrew.com/2013/12/04/marc-weekend-service-to-begin-on-penn-line/
[B’ Spokes: And don’t forget about Capital Bikeshare, a great way to see the sights while in DC.]