 Trains on the Brunswick Line were operated under contract by CSX Transportation, successor to the B&O.Brunswick Line service was augmented in 1986 when Amtrak transferred its Washington–Martinsburg "Blue Ridge" to MARC after agreeing to subsidize the train for five years.In May 2010, MARC announced that it planned to find a new operator for the Brunswick and Camden Lines after CSX announced its desire to discontinue operation of commuter trains.