| | Date | Description | Location | Box | MSA Citation |
| Details | 1965-1975 | Submittals by DSPD, railroad study correspondence, conferences, seminars, Kepner Tregoe, Fort McHenry tunnel, A-95 procedures | 03/58/12/006 | 1 | T1613-1 |
| Details | 1974-1976 | Tracked Air Cushion Vehicle, publications, budget, program priorities, project monitoring, Wilmapco, correspondence, Trans Model, legislation, Railroad Task Force, WMATA | 03/58/12/007 | 2 | T1613-2 |
| Details | 1972-1975 | Council, boards, commissions, societies, committees, associations, grade crossings, HA correspondence, Hi-Speed Status Reports | 03/58/12/008 | 3 | T1613-3 |
| Details | 1971-1975 | Construction, regulations, departmental procedures, Coldspring, transit, UMTA manual, BMATS, meetings | 03/58/12/009 | 4 | T1613-4 |
| Details | 1972-1973 | Shipping survey, railroad planning | 03/58/12/010 | 5 | T1613-5 |
| Details | 1973-1975 | Rail Reorganization Act, meetings, legislation, ICC | 03/58/12/011 | 6 | T1613-6 |
| Details | 1975 | Ford, Bacon & Davis; Preliminary System Plan, ICC, railroad crisis, Norfolk & Western Maryland Railway Co., safety, U.S. Senate, Penn Central, FRA regulations, state rail plan, rail service, shipping survey | 03/58/12/012 | 7 | T1613-7 |
| Details | 1972-1974 | Submittals, procedures | 03/58/12/013 | 8 | T1613-8 |
| Details | 1972-1976 | Other states, legislation, PSP Study, Eastern Shore Railroad Co., RSPO, Penn Central | 03/58/12/014 | 9 | T1613-9 |
| Details | 1974-1976 | Inventory, DOT data, shipping survey | 03/58/12/015 | 10 | T1613-10 |
| Details | 1975 | DOT data, DOT notes and booklets | 03/58/12/016 | 11 | T1613-11 |
| Details | 1970-1975 | Regional Rail Reorganization Act, state rail plan, reports | 03/58/12/017 | 12 | T1613-12 |
| Details | 1973-1976 | Shipping surveys, USRA correspondence, state rail plan | 03/58/12/018 | 13 | T1613-13 |
| Details | 1973-1975 | Program summaries and status reports, B & O Railroad, Northeast Corridor, Amtrak, Penn Central Station, track safety, Capital Beltway Train Station, Intermodal terminals, legislation, commuter rail | 03/58/12/019 | 14 | T1613-14 |