This monograph was prepared prior to October 1946 from documentary material then available. Chapters include: current Service; chronological history of the Service; routing policies; obtaining suitable rates; station procedures and facilities; documentation and O. S. & D. practices; consolidating and distributing agencies, Branch, Traffic Control Division; and Navy participation. Appendix I- current directives covering routing via A.N.C.C.S. Appendix II- memorandum on rotational routing. Appendix III- commercial traffic bulletin no. 8, War Department, 1945. Appendix IV- recurring reports. Appendix V- letters of Secretary of War and Secretary of Navy regarding Navy participation in Consolidated Car Service. Appendix VI- outbound tonnage- July 1942 - March 1945.