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
4.8M

ANNUAL TRIPS

100%of all MARC trains use the NEC
93%of all MARC trips are on the NEC

Trips and Scheduled Trains on the NEC

FY22 FY23 FY24 FY25
MARC weekday trips on the NEC 8,000 11,000 12,000 14,000
MARC weekday scheduled trains on the NEC 97 97 94 94

 

Train Operations & Performance

FY22 FY23 FY24 FY25
Percentage of scheduled MARC trains late, annulled, or terminated on the NEC 9.3% 10.3% 10.8% 11.1%

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

 

Information last updated April 2026.