A "Head End" ride aboard an Amtrak F40PH diesel pulling the "Capitol Limited" between Chicago and Ft. Wayne and Pittsburgh, PA to Washington, D.C. over the former P.R.R. and B & O main lines. No. 20-9............... Martinsburg to Dickerson, MD 1 Hour No. 20-10............. Dickerson to Washington, D.C. 1 Hour