Marc Train Customer Care service, Toll-Free Phone number, Postal Address, Social profiles, Complaint Email- MARC Train is a train service whose service areas include Harford County, Maryland, Baltimore city, Washington DC, West Virginia among others. The full form of MARC is “Maryland Area Regional Commuter”. MARC trains are the fastest trains with the speed of 125 miles per hour (201 km/h). The Marc trains have also got the facility of elevator and escalators at the stations for safe journey of it’s passengers.