The Chase MD wreck of 1987 changed Conrail's I95 corridor operations considerably, forcing most trains still using the Northeast Corridor to run at night and in limited windows. As a result, Conrail used trackage rights on CSX for through trains that used to run on the former PRR between Washington (Northern Virginia, really) and Philadelphia. Here CSX symbol Z409 with CR 6421/CR 6711/CR 6322/CSX 4261 pass the future site of the Muirkirk MARC station on 02/09/93.
Conrail Road Number
6421
Builder
EMD
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