| MARC Penn Line Washington, DC-Baltimore (Penn Station)-Perryville | |||
|---|---|---|---|
| Direction | Numbers | Odd/Even | Days of Operation |
| Inbound Baltimore Penn Station-Washington, DC | 401-453 | odd | Weekdays |
| Outbound Washington, DC-Baltimore Penn Station | 400-452 | even | Weekdays |
| Inbound Baltimore Penn Station-Washington, DC | 481-499 | odd | Weekends |
| Outbound Washington, DC-Baltimore Penn Station | 476-494 | even | Weekends |
| Inbound Perryville-Baltimore Penn Station-Washington, DC | 505-537 | odd | Weekdays |
| Outbound Washington, DC-Baltimore Penn Station-Perryville | 502-548 | even | Weekdays |
| Inbound Perryville-Baltimore Penn Station | 579 | odd | Weekdays |
| Outbound Baltimore Penn Station-Perryville | 554 | even | Weekdays |
| Inbound Martin Airport-Baltimore Penn Station-Washington, DC | 641 | odd | Weekdays |
| Outbound Washington, DC-Baltimore Penn Station-Martin Airport | 610-640 | even | Weekdays |
| Inbound Martin Airport-Baltimore Penn Station-Washington, DC | 679-689 | odd | Weekends |
| Outbound Washington, DC-Baltimore Penn Station-Martin Airport | 688-698 | even | Weekends |
| MARC Camden Line Washington, DC-Baltimore (Camden Station) | |||
|---|---|---|---|
| Direction | Numbers | Odd/Even | Days of Operation |
| Inbound Baltimore Camden Station-Washington, DC | 841-857 | odd | Weekdays |
| Outbound Washington, DC-Baltimore Camden Station | 840-856 | even | Weekdays |
| MARC Brunswick & Frederick Lines Washington, DC-Martinsburg, WV or Frederick, MD | |||
|---|---|---|---|
| Direction | Numbers | Odd/Even | Days of Operation |
| Inbound Martinsburg or Brunswick-Washington, DC | P870-P880 | even | Weekdays |
| Outbound Washington, DC-Brunswick or Martinsburg | P871-P883 | odd | Weekdays |
| Inbound Frederick-Washington, DC | P890-P894 | even | Weekdays |
| Outbound Washington, DC-Frederick | P891-P895 | odd | Weekdays |