 On April 28, 1985, the northbound Sunday "Virginian" was moved two hours later as the "Potomac".The "Potomac" was discontinued on September 15, 1988; the "Colonial" began running from Richmond to Boston on Sundays, with the "Tidewater" continuing to provide Sunday northbound service from Newport News.The April 1990 extension of one "Atlantic City Express" train to Richmond and the April 1991 separation of the New York–Charlotte "Carolinian" from the "Palmetto" increased Washington-Richmond service to seven daily round trips.