In the end, which was April 26, 1958, the B&O trains between Washington and Jersey City, which were not connections, but through trains between Jersey City and Chicago, Jersey City and St. Louis and Jersey City and Washington, were: Trains 1/2, The National Limited; Trains 3/4, The Diplomat; Trains 5/6, The Capitol Limited; Trains 7/8, The Shenandoah; Trains 11/12; The Metropolitan Special; Trains 27/28 The Royal Blue and Mail and Express Trains 29/32.
Earlier, In October 1956, Trains 523/504, The Marylander, were discontinued. With the exception of The Royal Blue and the Marylander, which operated only between Jersey City and Washington, the trains had a considerable consist change in Washington, when operating both eastbound and westbound, but had through sleepers between Jersey City and the west