Maryland Area Regional Commuter (MARC)

MARC train services operate over three lines, all of which at some point use the NEC. Penn Line services operate on the NEC between Perryville, Maryland and Washington Union Station. Camden Line trains operate between Baltimore Camden Station on CSX freight lines and Washington Union Station. Brunswick Line trains operate on CSX between Martinsburg, West Virginia, Frederick, Maryland and Washington Union Station. The CSX services connect to the NEC at C Interlocking just outside Union Station.

MARC Train Service

42

stations

3

lines

4M

Annual trips (FY24)

100%of all MARC trains use the NEC

94%of all MARC trips are on the NEC

Trips and Scheduled Trains on the NEC

	FY21	FY22	FY23	FY24
MARC weekday trips on the NEC	3,000	8,000	11,000	12,000
MARC weekday scheduled trains on the NEC	56	97	97	94

Train Operations & Performance

	FY21	FY22	FY23	FY24
Percentage of scheduled MARC trains late, annulled, or terminated on the NEC	7.9%	9.3%	10.3%	10.8%

For more information on MARC and train performance on the NEC, please read the NEC Annual Report.

Information last updated May 2025.