Don't forget to purchase your $25 round trip MARC Inauguration Day tickets. Remember that monthly MARC tickets are invalid for travel on Jan. 20. You can purchase tickets online here. The tickets are going quick, for Penn Line riders about half of the available trains (departures from 6:20 to 8:05 a.m. and Union Station returns from 3:51 to 5:06 p.m.) are already sold out.
