Map scale in miles pennsylvania department of transportation prepared by the in cooperation with the us department of transportation federal highway administration pennsylvania railroad map bureau of planning and research bureau of rail freight, ports, & waterways federal railroad administration class i railroads 3,169 miles 1,871 5,913Wisconsin 1900 Railroad Map 22x17 Wisconsin 1900 Railroad Map 30x24 These antique maps and atlases are part of the Historic Map Works, Residential Genealogy™ historical map collection, the largest digital collection of rare, ancient, old, historical, cadastral and antiquarian maps ofInteractive Maps of US Freight Railroads Railroads are the lifeblood for North America's freight transportation There are seven major railroads in the United States (Class I railroads) and over 500 shortline and regional railroads (Class II & Class III railroads) These lines are critical for shippers needing an economical solution to long Abandoned Railroad Corri...