United States Railway Administration Preliminary System Plan
Volume I 2-26-1975 (PSP VI.pdf) 50.83MB
Volume II 2-26-1975 (PSP VII.pdf) 68.341MB
Volume II Errata 2-26-1975 (PSP VII Errata.pdf) 586KB
Railroads in Reorganization as of 2-1975 Map (RRs in Reorg.pdf) 2.319MB
Northeast and Midwest Recommended Industry Structure Competitive Freight Service Mainline Routes Map (Recommended Structure.pdf) 1.612MB