| | Count= 5366 | | | | | | | | | | | | | | | | |
| | | Agency | MT | NP | RkyMtn | 14 | Bridge 3 | Bridge | Upgrade | 1934 | 1934 | | 79-34 | | PNRA | 17-3-3-13B | 054 |
| | | Agency | MT | NP | RkyMtn | 14 | Extend spur, construct unloading platform, remove depot shelter | Spur | Extension | 1936 | 1939 | | 454-36 | | PNRA | 17-3-3-68A | 067 |
| | | Agency | MT | BN | RkyMtn | 14 | Remove spur | Spur | Retirement | 1977 | 1979 | 51-61-77 | 77-69 | | PNRA | 17-4-2-68A | 039 |
| | | Alder | MT | NP | RkyMtn | 11 | Wool warehouse | Building | Construction | 1930 | 1930 | | 582-30 | | PNRA | 16-3-2-45B | 113 |
| | | Alder | MT | BN | RkyMtn | 11 | Extension to Ruby Valley Branch | Property | Purchase | 1973 | 1973 | | 73-1356 | | PNRA | 16-3-3-45A | 001 |
| | | Alder | MT | BN | RkyMtn | 11 | Wool warehouse, to Mr D S Hartford | Property | Sold | 1971 | 1973 | 51-40-71 | 71-142 | | PNRA | 16-4-1-13B | 022 |
| | | Alder | MT | NP | RkyMtn | 11 | Electric pump and water softener at depot | Facilities | Cancellation | 1955 | 1955 | | 81-55 | | PNRA | 16-5-2-13B | 097 |
| | | Alder | MT | NP | RkyMtn | 11 | Ore loading platform and spur extension | Load/unload facilities | Cancellation | 1948 | 1950 | | 750-48 | | PNRA | 16-5-2-45B | 190 |
| | | Alder | MT | NP | RkyMtn | 11 | Superseded by AFE 214-50 | Bridge | Cancellation | 1948 | 1948 | | 922-48 | | PNRA | 16-5-2-45B | 206 |
| | | Alder | MT | NP | RkyMtn | 11 | Portion of main tracks | Track | Retirement | 1942 | 1942 | | 614-42 | | PNRA | 16-5-3-68A | 074 |
| | | Alder | MT | NP | RkyMtn | 11 | At wye | Grade Crossing | Reconstruction | 1940 | 1941 | | 762-40 | | PNRA | 17-5-1-13B | 055 |
| | | Alder | MT | NP | RkyMtn | 11 | Additional ore-loading platform | Load/unload facilities | Construction | 1939 | 1939 | | 545-39 | | PNRA | 17-5-1-13B | 119 |
| | | Alder | MT | NP | RkyMtn | 11 | Rebuild Br41 and construct WB flume | Bridge | Reconstruction | 1952 | 1952 | | 214-50 | | PNRA | 17-5-3-68A | 111 |
| | | Alder to Whitehall | MT | NP | RkyMtn | 11 | Rebuild Bridge 15 | Bridge | Upgrade | 1929 | 1929 | | 912-29 L | | PNRA | 16-3-2-45B | 061 |
| | | Allens Spur | MT | NP | RkyMtn | 8 | State of Montana paying for installation of culvert and ditches for Highway F217 | Culvert | Installation | 1964 | 1964 | | 178-64 | | PNRA | 16-3-2-68B | 016 |
| | | Allens Spur | MT | BN | RkyMtn | 8 | Remove Allens spur | Spur | Retirement | 1970 | 1971 | 70-39 | 71-142 | | PNRA | 16-4-1-13B | 023 |
| | | Amsterdam | MT | BN | RkyMtn | 9 | Switch point derail in passing track for Con-Agra Inc | Track | Upgrade | 1979 | 1979 | 51-059-79 | 79-1049 | | PNRA | 16-5-3-13B | 021 |
| | | Amsterdam | MT | BN | RkyMtn | 9 | Loading platform to Jim Veltkamp | Load/unload facilities | Sold | 1986 | 1986 | 51-17-86 | 86-657 | | PNRA | 17-5-2-13A | 041 |
| | | Amsterdam | MT | NP | RkyMtn | 9 | Mill track | Spur | Extension | 1950 | 1950 | | 150-50 | | PNRA | 17-5-3-68A | 103 |
| | | Amsterdam to Anceney | MT | NP | RkyMtn | 9 | Rebuild Br7 and Br13.2 | Bridge | Reconstruction | 1962 | 1962 | | 444-62 | | PNRA | 16-4-1-13A | 050 |
| | | Anceney | MT | NP | RkyMtn | | Stock chute extension at Stock Pens | Load/unload facilities | Upgrade | 1930 | 1930 | | 337-30 | | PNRA | 16-3-2-45B | 098 |
| | | Anceney | MT | NP | RkyMtn | 9 | Replace scale; install lighting at stockyard | Load/unload facilities | Upgrade | 1962 | 1962 | | 250-62 | | PNRA | 16-4-1-13A | 030 |
| | | Anceney | MT | NP | RkyMtn | 9 | Remove west leg of wye | Track | Retirement | 1961 | 1961 | | 215-60 | | PNRA | 16-4-1-45B | 027 |
| | | Anceney | MT | NP | RkyMtn | 9 | Repair stockyard | Load/unload facilities | Maintenance | 1966 | 1966 | | 445-65 | | PNRA | 16-4-2-45B | 009 |
| | | Anceney | MT | NP | RkyMtn | 9 | Stockyard | Load/unload facilities | Extension | 1951 | 1951 | | 455-51 | | PNRA | 16-5-2-68B | 055 |
| | | Anceney | MT | NP | RkyMtn | 9 | Water well for stockyard | Load/unload facilities | Upgrade | 1952 | 1952 | | 660-52 | | PNRA | 17-4-3-68B | 028 |
| | | Anceney | MT | NP | RkyMtn | 9 | Stockyard | Load/unload facilities | Remodel | 1940 | 1940 | | 837-40 | | PNRA | 17-5-1-13B | 063 |
| | | Arlee | MT | NP | RkyMtn | 6 | Water pump and water supply piping for section house | Facilities | Upgrade | 1955 | 1955 | | 202-55 | | PNRA | 16-4-3-13B | 003 |
| | | Arlee | MT | NP | RkyMtn | 6 | Cattle guards | Equipment | Cancellation | 1955 | 1956 | | 586-55 | | PNRA | 16-4-3-13B | 070 |
| | | Arlee | MT | NP | RkyMtn | 6 | To serve Shaefer-Hitchcock Co | Spur | Extension | 1947 | 1947 | | 893-47 | | PNRA | 16-5-2-45B | 106 |
| | | Arlee | MT | NP | RkyMtn | 6 | Rebuild stockyard | Load/unload facilities | Upgrade | 1952 | 1953 | | 135-53 | | PNRA | 16-5-3-45B | 018 |
| | | Arlee | MT | NP | RkyMtn | 6 | Curve | Track | Relay | 1933 | 1933 | | 7004-33 | | PNRA | 17-3-3-13B | 041 |
| | | Arlee | MT | NP | RkyMtn | 6 | Place two new piers to reinforce Br22 over Jocko River | Bridge | Upgrade | 1934 | 1935 | | 65-34 | | PNRA | 17-3-3-13B | 045 |
| | | Arlee | MT | NP | RkyMtn | 6 | Replace section house | Building | Construction | 1946 | 1947 | | 88-46 | | PNRA | 17-5-2-13B | 113 |
| | | Arlee | MT | NP | RkyMtn | 6 | For E Rother & Son | Spur | Extension | 1946 | 1946 | | 315-46 | | PNRA | 17-5-2-13B | 145 |
| | | Arlee | MT | NP | RkyMtn | 6 | For Schaefer Hitchcock Co | Spur | Construction | 1946 | 1946 | | 656-46 | | PNRA | 17-5-2-13B | 184 |
| | | Arlee | MT | NP | RkyMtn | 6 | Remove various tracks | Track | Retirement | 1957 | 1957 | | 427-57 | | PNRA | 17-5-2-68B | 092 |
| | | Arlee | MT | NP | RkyMtn | 6 | Siding | Spur | Relay | 1943 | 1943 | | 158-43 | | PNRA | 17-5-3-13A | 023 |
| | | Arlee to Dixon | MT | NP | RkyMtn | 6 | Br21, Br25 raised | Track | Reballasting | 1944 | 1946 | | 432-44 | | PNRA | 17-5-3-13A | 148 |
| | | Arlee to Ravalli | MT | BN | RkyMtn | 6 | Br26 and Br31 | Bridge | Maintenance | 1980 | 1980 | 51-0016-80 | | 8024 | PNRA | 17-4-2-13B | 006 |
| | | Arnold | MT | BN | RkyMtn | 9 | at Br13.3 | Rip Rap | Maintenance | 1974 | 1974 | 51-24-74 | | 1818 | PNRA | 17-4-1-68A | 002 |
| | | Austin | MT | NP | RkyMtn | 3 | Section house toilet facilities | Building | Remodel | 1959 | 1959 | | 152-59 | | PNRA | 16-4-1-45A | 027 |
| | | Austin | MT | BN | RkyMtn | 3 | Curve | Track | Relay | 1977 | 1977 | 51-47-77 | | 4420 | PNRA | 16-4-2-68A | 058 |
| | | Austin | MT | NP | RkyMtn | 3 | Drill well and install pressure water system for Signal Maintainer | Facilities | Cancellation | 1961 | 1963 | | 349-61 | | PNRA | 16-5-1-13A | 049 |
| | | Austin | MT | BN | RkyMtn | 3 | Curves | Track | Relay | 1979 | 1980 | 51-101-79 | | 7861 | PNRA | 16-5-1-68B | 076 |
| | | Austin | MT | NP | RkyMtn | 3 | Westward siding | Track | Extension | 1954 | 1955 | | 191-55 | | PNRA | 16-5-2-13B | 119 |
| | | Austin | MT | NP | RkyMtn | 3 | Portion of WB passing track | Track | Relay | 1947 | 1947 | | 193-47 | | PNRA | 16-5-2-45B | 027 |
| | | Austin | MT | NP | RkyMtn | 3 | Replace propane switch heaters with electric | Equipment | Upgrade | 1948 | 1948 | | 582-48 | | PNRA | 16-5-2-45B | 167 |
| | | Austin | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1953 | 1953 | | 632-53 | | PNRA | 16-5-3-45B | 068 |
| | | Austin | MT | NP | RkyMtn | 3 | Curves | Track | Relay | 1967 | 1967 | | 479-67 | | PNRA | 17-3-2-68A | 053 |
| | | Austin | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1933 | 1933 | | 7003-33 | | PNRA | 17-3-3-13B | 040 |
| | | Austin | MT | NP | RkyMtn | 3 | with 130# rail | Track | Relay | 1933 | 1933 | | 176-34 A | | PNRA | 17-3-3-13B | 073 |
| | | Austin | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1935 | 1937 | | 135-35 A | | PNRA | 17-3-3-13B | 146 |
| | | Austin | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1935 | 1936 | | 104-36 B | | PNRA | 17-3-3-68A | 025 |
| | | Austin | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1936 | 1937 | | 106-37 | | PNRA | 17-3-3-68A | 114 |
| | | Austin | MT | NP | RkyMtn | 3 | Passing track and spur | Track | Relay | 1938 | 1938 | | 150-38 A | | PNRA | 17-5-1-13B | 152 |
| | | Austin | MT | NP | RkyMtn | 3 | Lower track in Iron Ridge Tunnel | Track | Relocation | 1945 | 1948 | | 388-45 | | PNRA | 17-5-2-13B | 058 |
| | | Austin | MT | NP | RkyMtn | 3 | Convert north siding to spur | Spur | Construction | 1957 | 1957 | | 156-57 | | PNRA | 17-5-2-68B | 061 |
| | | Austin | MT | NP | RkyMtn | 3 | Replace water tanks | Facilities | Upgrade | 1943 | 1944 | | 125-43 | | PNRA | 17-5-3-13A | 020 |
| | | Austin | MT | NP | RkyMtn | 3 | Toilet facilities in signal maintainer's dwelling | Building | Remodel | 1955 | 1955 | | 517-55 | | PNRA | 16-4-3-13B | 064 |
| | | Austin and Skyline | MT | BN | RkyMtn | 3 | Curves | Track | Relay | 1978 | 1978 | 51-024-78 | | 5372 | PNRA | 16-5-1-68A | 033 |
| | | Austin to Avon, Worland to Basin | MT WY | BN | RkyMtn | | rail anchors | Track | Maintenance | 1974 | 1975 | | 74-379 | | PNRA | 16-4-3-13A | 017 |
| | | Austin to Bonner | MT | NP | RkyMtn | 3 | Curves | Track | Relay | 1941 | 1942 | | 78-41 | | PNRA | 16-5-3-68A | 111 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 A | | PNRA | 17-3-3-68A | 085 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 B | | PNRA | 17-3-3-68A | 086 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 C | | PNRA | 17-3-3-68A | 087 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 D | | PNRA | 17-3-3-68A | 088 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 F | | PNRA | 17-3-3-68A | 089 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 G | | PNRA | 17-3-3-68A | 090 |
| | | Austin to Nimrod | MT | NP | RkyMtn | 3 | curve | Track | Relay | 1937 | 1937 | | 100-37 H | | PNRA | 17-3-3-68A | 091 |
| | | Austin, Avon, Evaro, Butte, St Regis | MT | NP | RkyMtn | | Ore-loading platform, operator's house, ice house, roadmaster's house, roundhouse. Install carbody living quarters. | Building | Retirement | 1945 | 1947 | | 148-48 B,C,E,F | | PNRA | 16-5-2-45B | 120 |
| | | Austin, Blossburg, Logan. Livingston, Missoula, Dixon, Butte, Frenchtown, Rivulet | MT | NP | RkyMtn | | Retire coal shed, bunkhouse, ice house, loading platform, toolhouse, storage shed, section house, sanding tractor, service bldg | Building | Retirement | 1967 | 1967 | | 49-67 A,B,C,D,E | | PNRA | 17-3-2-68A | 011 |
| | | Austin, Skyline | MT | NP | RkyMtn | 3 | Curves | Track | Relay | 1948 | 1949 | | 885-48 | | PNRA | 16-5-2-45B | 200 |
| | | Austin, Weed, Sampson | MT | NP | RkyMtn | 3 | Install circuits on sidings in CTC territory | Signals | Upgrade | 1948 | 1948 | | 826-47 | | PNRA | 16-5-2-45B | 101 |
| | | Avon | MT | NP | RkyMtn | 3 | House track | Track | Relay | 1929 | 1929 | | 512-29 | | PNRA | 16-3-2-45B | 026 |
| | | Avon | MT | NP | RkyMtn | 3 | South passing siding | Track | Extension | 1929 | 1929 | | 608-29 | | PNRA | 16-3-2-45B | 030 |
| | | Avon | MT | NP | RkyMtn | 3 | Improve crossing and install flashing lights with gates. See AFE 162-64 for easement to State of Montana | Grade Crossing | Upgrade | 1960 | 1964 | | 103-64 | | PNRA | 16-3-2-68B | 004 |
| | | Avon | MT | NP | RkyMtn | 3 | Granting Easement to State of Montana for Highway Grade Crossing | Property | Easement | 1964 | 1964 | | 162-64 | | PNRA | 16-3-2-68B | 015 |
| | | Avon | MT | NP | RkyMtn | 3 | Replace 10 ton scale with 15 ton scale | Equipment | Upgrade | 1964 | 1964 | | 209-64 | | PNRA | 16-3-2-68B | 019 |
| | | Avon | MT | NP | RkyMtn | 3 | Relay portion of passing track | Track | Relay | 1965 | 1965 | | 465-65 | | PNRA | 16-4-2-45B | 010 |
| | | Avon | MT | NP | RkyMtn | 3 | Improvements to ore loading platform | Load/unload facilities | Cancellation | 1961 | 1962 | | 370-61 | | PNRA | 16-5-1-13A | 054 |
| | | Avon | MT | NP | RkyMtn | 3 | Drilled well, pumphouse, and pressure system | Facilities | Upgrade | 1959 | 1959 | | 393-59 | | PNRA | 16-5-1-13B | 054 |
| | | Avon | MT | NP | RkyMtn | 3 | Stockyard spur | Load/unload facilities | Extension | 1956 | 1957 | | 57-56 | | PNRA | 16-5-2-13B | 008 |
| | | Avon | MT | NP | RkyMtn | 3 | Toilet facilities in signal maintainers dwelling | Building | Remodel | 1953 | 1954 | | 395-53 | | PNRA | 16-5-3-45B | 052 |
| | | Avon | MT | NP | RkyMtn | 3 | Track changes | Track | Reconstruction | 1940 | 1941 | | 2-41 | | PNRA | 16-5-3-68A | 098 |
| | | Avon | MT | NP | RkyMtn | 3 | for Avon Lumber Co | Spur | Construction | 1947 | 1947 | | 619-47 | | PNRA | 16-5-3-68A | 169 |
| | | Avon | MT | NP | RkyMtn | 3 | Stockyard scales | Equipment | Installation | 1936 | 1937 | | 386-35 | | PNRA | 17-3-3-13B | 174 |
| | | Avon | MT | NP | RkyMtn | 3 | Ore loading platform | Load/unload facilities | Construction | 1940 | 1940 | | 486-40 | | PNRA | 17-5-1-13B | 027 |
| | | Avon | MT | NP | RkyMtn | 3 | Siding | Spur | Extension | 1945 | 1945 | | 202-45 | | PNRA | 17-5-2-13B | 033 |
| | | Avon | MT | NP | RkyMtn | 3 | Walkway on Br37 | Bridge | Upgrade | 1947 | 1947 | | 558-45 | | PNRA | 17-5-2-13B | 072 |
| | | Avon | MT | NP | RkyMtn | 3 | Drill well and install pressure water system | Facilities | Upgrade | 1957 | 1958 | | 263-57 | | PNRA | 17-5-2-68B | 075 |
| | | Avon | MT | NP | RkyMtn | 3 | Ore loading platform | Load/unload facilities | Extension | 1944 | 1944 | | 31-44 | | PNRA | 17-5-3-13A | 090 |
| | | Avon | MT | NP | RkyMtn | 3 | Additional ramp for ore-loading platform | Load/unload facilities | Construction | 1949 | 1949 | | 682-49 | | PNRA | 17-5-3-68A | 073 |
| | | Avon | MT | NP | RkyMtn | 3 | Serving Avon Lumber Co | Spur | Retirement | 1950 | 1950 | | 464-50 | | PNRA | 17-5-3-68A | 145 |
| | | Avon | MT | BN | RkyMtn | 3 | Repairs to Br41 and Br43 | Bridge | Maintenance | 1971 | 1971 | 20-71 | | 320 | PNRA | 16-4-2-68B | 012 |
| | | Avon | MT | BN | RkyMtn | 3 | Signal maintainer's car house, to R L Olson | Building | Sold | 1974 | 1975 | 51-96-74 | 75-666 | | PNRA | 16-4-3-68B | 011 |
| | | Avon | MT | NP | RkyMtn | 3 | Automatic flashing light signals | Grade Crossing | Installation | 1952 | 1953 | | 764-52 | | PNRA | 17-4-3-68B | 040 |
| | | Avon | MT | BN | RkyMtn | 3 | US Hwy 12. provate crossing, and temporary construction permit | Property | Easement | 1981 | 1982 | 51-0093-81 | 82-510 | | PNRA | 17-5-1-13A | 035 |
| | | Avon and Bradley | MT | BN | RkyMtn | 3 | Rail lubricators | Equipment | Installation | 1982 | 1982 | 51-0083-82 | 82-951 | | PNRA | 17-5-1-13A | 044 |
| | | Avon and Gold Creek | MT | BN | RkyMtn | 3 | Renew decks on Br37 and Br59.1 | Bridge | Maintenance | 1978 | 1981 | 51-009-78 | | 5999 | PNRA | 16-5-1-68B | 022 |
| | | Avon to Bradley | MT | NP | RkyMtn | 3 | 8" raise | Track | Reballasting | 1955 | 1956 | | 424-55 | | PNRA | 16-4-3-13B | 050 |
| | | Avon to Bradley | MT | BN | RkyMtn | 3 | Curve | Track | Relay | 1975 | 1975 | 51-59-75 | | 2615 | PNRA | 17-4-1-68A | 045 |
| | | Basin | WY | GN | Butte | | Private crossing for Frank Zavorka | Grade Crossing | Construction | 1977 | 1978 | 51-2-77 | | 3912 | PNRA | 16-4-2-68A | 021 |
| | | Basin | MT | GN | Butte | | Renew deck on Br255.0 | Bridge | Maintenance | 1965 | 1965 | 35-65 | | 4135 | PNRA | 16-4-2-68A | 031 |
| | | Basin | MT | GN | Butte | | Renew timber ballast deck on Br261.3 | Bridge | Maintenance | 1965 | 1966 | 36-65 | | 4136 | PNRA | 16-4-2-68A | 032 |
| | | Basin, Boulder, Corbin | MT | BN | Butte | | Replace flip point derail with switch point derail | Track | Upgrade | 1972 | 1975 | | 74-38 | | PNRA | 16-4-3-13A | 001 |
| | | Bass | MT | NP | RkyMtn | 13 | Additional 120 feet siding | Spur | Extension | 1930 | 1930 | | 962-30 | | PNRA | 16-3-2-45B | 137 |
| | | Bass | MT | BN | RkyMtn | 13 | Remove spur and two turnouts | Spur | Retirement | 1970 | 1973 | | 72-1490 | | PNRA | 17-3-3-13A | 032 |
| | | Bass | MT | BN | RkyMtn | 13 | Remove portion of siding | Spur | Retirement | 1977 | 1979 | 51-87-77 | 78-67 K | | PNRA | 17-4-1-13B | 022 |
| | | Bass | MT | NP | RkyMtn | 13 | For Hagen Bros potato warehouse | Spur | Construction | 1945 | 1945 | | 561-45 | | PNRA | 17-5-2-13B | 075 |
| | | Bass | MT | NP | RkyMtn | 13 | For Farmer's Union Coop Marketing Assn | Spur | Construction | 1947 | 1947 | | 771-46 | | PNRA | 17-5-2-13B | 195 |
| | | Beals and Dawes | MT | NP | RkyMtn | 10 | Remove spurs | Spur | Retirement | 1957 | 1957 | | 387-57 | | PNRA | 17-5-2-68B | 089 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Automatic signals at MP 86+2624 Highway I-90 | Grade Crossing | Installation | 1968 | 1968 | | 392-68 | | PNRA | 16-3-2-45A | 002 |
| | | Bearmouth | MT | BN | RkyMtn | 3 | Adjustments for I-90 construction | Property | Easement | 1968 | 1971 | | 70-61 | | PNRA | 16-3-2-45A | 096 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Westward siding | Track | Extension | 1929 | 1929 | | 609-29 | | PNRA | 16-3-2-45B | 031 |
| | | Bearmouth | MT | BN | RkyMtn | 3 | to State of Montana for I-90 Interstate Highway | Property | Easement | 1972 | 1972 | | 72-9185 | | PNRA | 16-3-3-68B | 006 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Abandon water station and drill well | Facilities | Upgrade | 1956 | 1957 | | 705-55 | | PNRA | 16-4-3-13B | 083 |
| | | Bearmouth | MT | BN | RkyMtn | 3 | Renew deck and walkway on Br87 over Clark Fork River | Bridge | Maintenance | 1979 | 1979 | 51-016-79 | | 7457 | PNRA | 16-5-1-68B | 064 |
| | | Bearmouth | MT | BN | RkyMtn | 3 | Curve | Track | Relay | 1979 | 1980 | | | 7862 | PNRA | 16-5-1-68B | 077 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Automatic gates with flashing signals See also AFE 405-45 | Grade Crossing | Upgrade | 1940 | 1947 | | 478-47 | | PNRA | 16-5-2-45B | 067 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Toilet and bath facilities for section house | Building | Upgrade | 1952 | 1952 | | 10-51 | | PNRA | 16-5-2-68B | 003 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Pens, scales | Load/unload facilities | Upgrade | 1942 | 1942 | | 602-42 | | PNRA | 16-5-3-68A | 071 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Updated rcords for water line changes | Facilities | Upgrade | 1917 | 1931 | | 7-40 | | PNRA | 16-5-3-68A | 187 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1934 | 1934 | | 176-34 B | | PNRA | 17-3-3-13B | 074 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Curve | Track | Relay | 1936 | 1936 | | 104-36 I | | PNRA | 17-3-3-68A | 032 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Stull Loading Skid | Load/unload facilities | Extension | 1952 | 1952 | | 731-52 | | PNRA | 17-4-3-68B | 037 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Remove house track | Track | Retirement | 1940 | 1940 | | 719-40 | | PNRA | 17-5-1-13B | 049 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Electric lights at ore-loading platform | Load/unload facilities | Upgrade | 1939 | 1940 | | 653-39 | | PNRA | 17-5-1-13B | 129 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Electric lights at coal dock | Load/unload facilities | Upgrade | 1938 | 1939 | | 587-38 | | PNRA | 17-5-1-13B | 142 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Westward siding | Spur | Extension | 1945 | 1945 | | 204-45 | | PNRA | 17-5-2-13B | 035 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Signal maintainer motor car house | Building | Construction | 1957 | 1958 | | 257-57 | | PNRA | 17-5-2-68B | 071 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Bathroom at signal maintainers house | Building | Remodel | 1957 | 1958 | | 453-57 | | PNRA | 17-5-2-68B | 094 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Water treating facilities | Facilities | Upgrade | 1943 | 1944 | | 263-43 | | PNRA | 17-5-3-13A | 038 |
| | | Bearmouth | MT | NP | RkyMtn | 3 | Replace water tank | Facilities | Upgrade | 1944 | 1945 | | 491-44 | | PNRA | 17-5-3-13A | 156 |
| | | Bearmouth to Bonita | MT | NP | RkyMtn | 3 | and bankwidening | Track | Reballasting | 1942 | 1943 | | 241-42 | | PNRA | 16-5-3-68A | 030 |
| | | Bearmouth to Bonner | MT | NP | RkyMtn | 3 | Main track | Track | Relay | 1942 | 1942 | | 124-42 | | PNRA | 16-5-3-68A | 009 |
| | | Bearmouth to Willis | MT | NP | RkyMtn | 3 | Main line | Track | Relay | 1945 | 1945 | | 285-45 | | PNRA | 17-5-2-13B | 041 |
| | | Bearmouth to Willis | MT | NP | RkyMtn | 3 | EB Main track | Track | Reballasting | 1945 | 1945 | | 343-45 | | PNRA | 17-5-2-13B | 055 |
| | | Bearmouth, Winston | MT | NP | RkyMtn | | Move stockyard scale from Bearmouth to Winston | Load/unload facilities | Relocation | 1946 | 1946 | | 642-46 A,B | | PNRA | 17-5-2-13B | 181 |
| | | Beaver Creek | MT | BN | | | Air conditioner for Beaver Creek microwave site | Equipment | Maintenance | 1974 | 1974 | CM 72-74 | | 1872 | PNRA | 17-4-1-68A | 010 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Fence between MP 152-3200 and 4367 | Facilities | Installation | 1930 | 1930 | | 425-30 | | PNRA | 16-3-2-45B | 104 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Fire destroyed depot | Station | Construction | 1930 | 1930 | | 553-30 | | PNRA | 16-3-2-45B | 111 |
| | | Belgrade | MT | BN | RkyMtn | 1 | 704 feet and construct unloading ramp | Spur | Retirement | 1973 | 1973 | | 72-1627 | | PNRA | 16-3-3-68B | 002 |
| | | Belgrade | MT | NP | RkyMtn | 1 | For Yellowstone Lumber Co | Spur | Construction | 1960 | 1960 | | 372-60 | | PNRA | 16-4-1-45B | 050 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Trainmen's walk and safety railing on Br155.1 | Bridge | Upgrade | 1977 | 1977 | 51-11-77 | | 4159 | PNRA | 16-4-2-68A | 034 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Crossover and track extension to serve alfalfa mill | Spur | Extension | 1955 | 1955 | | 261-55 | | PNRA | 16-4-3-13B | 012 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Replace wig-wag signals with automatic flashing lights at Broadway | Grade Crossing | Upgrade | 1960 | 1960 | | 37-60 | | PNRA | 16-5-1-45B | 022 |
| | | Belgrade | MT | NP | RkyMtn | 1 | At Gallatin River | Rip Rap | Maintenance | 1954 | 1955 | | 130-56 | | PNRA | 16-5-2-13B | 014 |
| | | Belgrade | MT | NP | RkyMtn | 1 | and relay stockyard track | Spur | Extension | 1947 | 1947 | | 306-47 | | PNRA | 16-5-2-45B | 045 |
| | | Belgrade | MT | NP | RkyMtn | 1 | High speed crossing | Track | Relay | 1948 | 1948 | | 544-47 A,B | | PNRA | 16-5-2-45B | 072 |
| | | Belgrade | MT | NP | RkyMtn | 1 | To serve South Fork Lumber Co | Spur | Construction | 1953 | 1953 | | 644-53 | | PNRA | 16-5-3-45B | 071 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Replace Asselin Co crossing with articulated low line/high line crossing | Track | Reconstruction | 1953 | 1954 | | 699-53 A,B | | PNRA | 16-5-3-45B | 076 |
| | | Belgrade | MT | NP | RkyMtn | 1 | To serve Belgrade Alfalfa Co | Spur | Extension | 1954 | 1954 | | 290-54 | | PNRA | 16-5-3-45B | 108 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Replace railroad crossing | Track | Upgrade | 1942 | 1942 | | 612-41 A,B | | PNRA | 16-5-3-68A | 176 |
| | | Belgrade | MT | NP | RkyMtn | 1 | To serve Kester Miller Co | Spur | Extension | 1941 | 1941 | | 784-41 | | PNRA | 16-5-3-68A | 186 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Fill Br155.1 | Bridge | Retirement | 1984 | 1985 | 50-108-85 | 85-811 | | PNRA | 16-5-3-68B | 024 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Flashing light signals for spur track at Texas St | Grade Crossing | Installation | 1985 | 1985 | 50-162-85 | 85-1838 | | PNRA | 16-5-3-68B | 025 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Flashing light signals for main track at Texas St | Grade Crossing | Installation | 1984 | 1985 | 50-163-85 | 85-1839 | | PNRA | 16-5-3-68B | 026 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Flashing light signals with gates at Broadway St | Grade Crossing | Upgrade | 1984 | 1985 | 50-164-85 | 85-1840 | | PNRA | 16-5-3-68B | 027 |
| | | Belgrade | MT | NP | RkyMtn | 1 | automatic signals and gates at Broadway St | Grade Crossing | Installation | 1964 | 1965 | | 83-65 | | PNRA | 17-3-1-68B | 020 |
| | | Belgrade | MT | BN | RkyMtn | 1 | To serve Peavey agri-business complex | Spur | Construction | 1971 | 1973 | | 72-709 | | PNRA | 17-3-3-13A | 010 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Flashing lights and gate arms at Oregon St | Grade Crossing | Installation | 1976 | 1978 | | 76-969 | | PNRA | 17-4-2-68A | 012 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Remove portion of house track | Track | Retirement | 1940 | 1940 | | 630-40 | | PNRA | 17-5-1-13B | 040 |
| | | Belgrade | MT | NP | RkyMtn | 1 | Automatic flashing light signals at Broadway St | Grade Crossing | Upgrade | 1954 | 1954 | | 471-54 | | PNRA | 17-5-2-68B | 011 |
| | | Belgrade | MT | NP | RkyMtn | 1 | House track | Track | Extension | 1950 | 1950 | | 170-50 | | PNRA | 17-5-3-68A | 109 |
| | | Belgrade | MT | BN | RkyMtn | 1 | Replace Br157 | Bridge | Upgrade | 1985 | 1985 | 50-43-85 | 85-343 | | PNRA | 16-5-3-68B | 023 |
| | | Belgrade and Logan | MT | NP | RkyMtn | 1 | Section house from Belgrade to Logan | Facilities | Relocation | 1944 | 1948 | | 714-44 | | PNRA | 17-5-2-13B | 007 |
| | | Belgrade and Manhattan | MT | BN | RkyMtn | 1 | Replace culverts | Culvert | Upgrade | 1970 | 1970 | | 70-433 | | PNRA | 17-3-3-68B | 027 |
| | | Belgrade to Logan | MT | NP | RkyMtn | 1 | Main track | Track | Relay | 1940 | 1940 | | 107-40 | | PNRA | 16-5-3-68A | 194 |
| | | Belgrade to Logan | MT | NP | RkyMtn | 1 | and bankwidening | Track | Reballasting | 1939 | 1940 | | 241-40 | | PNRA | 16-5-3-68A | 207 |
| | | Belgrade to Logan | MT | NP | RkyMtn | 1 | Curves | Track | Relay | 1939 | 1939 | | 114-39 | | PNRA | 17-5-1-13B | 079 |
| | | Belgrade to Logan | MT | BN | RkyMtn | 1 | Main line | Track | Relay | 1985 | 1986 | 50-003-86 | 86-185 | | PNRA | 17-5-2-13A | 015 |
| | | Belgrade, Greycliff, Carney, Bozeman, Avon, Bradman, Hardy, Sieben, Elliston to Gold Creek, Trotter, Manderson, Great Falls to Silver City, Frannie to Cody | MT WY | BN | | | Walks on Br74.1, Br100, Br140A, Br157.1, Br27, Br38, Br41, Br43, Br59.1, Br76, Br388.09, Br38.47, Br154.1, Br190.4, Br190.6 | Bridge | Upgrade | 1980 | 1982 | 51-0013-80 | 80-750 | | PNRA | 17-5-1-13A | 016 |
| | | Belgrade, Helena, Darby, Ravalli | MT | NP | RkyMtn | | Section and roadway buildings, ice house, water troughs | Building | Retirement | 1945 | 1946 | | 46-46 A,B,C,D | | PNRA | 17-5-2-13B | 107 |
| | | Belgrade, Lombard, Clow, Louisville | MT | NP | RkyMtn | 1 | Extend sidings, add crossings, relay rail | Spur | Extension | 1935 | 1937 | | 714-37 | | PNRA | 17-3-3-68A | 162 |
| | | Belgrade, Manhattan, Trident | MT | NP | RkyMtn | 1 | Replace wood plank with concrete | Grade Crossing | Upgrade | 1953 | 1953 | | 716-53 | | PNRA | 16-5-3-45B | 078 |
| | | Belknap | MT | NP | Idaho | 1 | Drilled well for section house | Facilities | Construction | 1952 | 1952 | | 303-51 | | PNRA | 16-5-2-68B | 041 |
| | | Belknap to Noxon | MT | NP | Idaho | 1 | Line change for Noxon Rapids Dam, and relocation of various facilities | Track | Relocation | 1955 | 1957 | | 123-61 A,B | | PNRA | 16-5-1-13A | 023 |
| | | Belknap to Trout Creek | MT | NP | Idaho | 1 | Main track | Track | Relay | 1951 | 1952 | | 248-51 | | PNRA | 16-5-2-68B | 033 |
| | | Belton, Essex, Beach, Croton, Bonneville, Powder River | MT ND | BN | | | section cars | Equipment | Purchase | 1980 | 1980 | | 80-175 | | PNRA | 16-5-3-13B | 037 |
| | | Bennett to Philipsburg | MT | NP | RkyMtn | 12 | Main track | Track | Relay | 1943 | 1944 | | 558-42 | | PNRA | 16-5-3-68A | 062 |
| | | Big Horn | MT | NP | Yellwstne | 4 | Extend Beet Spur Loading Track | Spur | Extension | 1960 | 1960 | | 279-60 | G1021 | PNRA | 16-3-1-13B | 015 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Replace unloading platform | Load/unload facilities | Reconstruction | 1957 | 1957 | | 91-57 | G948 | PNRA | 16-3-1-45B | 042 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Motor car and tool house | Station | Remodel | 1968 | 1968 | | 27-68 | | PNRA | 16-3-2-13A | 017 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Extend raised dock into warehouse | Load/unload facilities | Extension | 1968 | 1968 | | 432-68 | | PNRA | 16-3-2-45A | 007 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Connect section facilities to city water | Facilities | Upgrade | 1952 | 1952 | | 283-52 | | PNRA | 16-3-3-13B | 019 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Motor car house for signal maintainers | Building | Construction | 1966 | 1966 | | 156-66 | | PNRA | 16-4-2-45A | 015 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Hot box detector and bungalow | Equipment | Installation | 1965 | 1965 | | 501-65 | | PNRA | 16-4-2-45B | 015 |
| | | Big Timber | MT | BN | Yellwstne | 5 | East abutment of Br73 | Bridge | Maintenance | 1976 | 1976 | 51-81-76 | | 3426 | PNRA | 16-4-2-68A | 002 |
| | | Big Timber | MT | BN | Yellwstne | 5 | Rebuild culvert | Culvert | Relocation | 1973 | 1974 | 51-134-73 | 74-300 | | PNRA | 16-4-3-13A | 013 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Stockyard track | Spur | Relay | 1956 | 1956 | | 90-56 | | PNRA | 16-5-2-13B | 016 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Replace stone arch with CMP | Culvert | Upgrade | 1955 | 1956 | | 288-56 D | | PNRA | 16-5-2-13B | 040 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Improvements to stockyard | Load/unload facilities | Upgrade | 1955 | 1955 | | 130-55 | | PNRA | 16-5-2-13B | 103 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Electric lights in stockyards | Load/unload facilities | Upgrade | 1947 | 1948 | | 5-47 | | PNRA | 16-5-2-45B | 070 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Remove pit track. Boulder pit purchased under AFE 742-47. | Track | Retirement | 1951 | 1951 | | 562-51 | | PNRA | 16-5-2-68B | 078 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Replace loading platform | Load/unload facilities | Reconstruction | 1940 | 1940 | | 209-40 | | PNRA | 16-5-3-68A | 203 |
| | | Big Timber | MT | NP | Yellwstne | 5 | replace depot roof | Station | Upgrade | 1955 | 1955 | | | G863 | PNRA | 17-3-1-68A | 030 |
| | | Big Timber | MT | NP | Yellwstne | 5 | replace stock scale in new location | Equipment | Relocation | 1965 | 1965 | | 16-65 | G1133 | PNRA | 17-3-1-68B | 001 |
| | | Big Timber | MT | BN | Yellwstne | 5 | Underpass of Hwy 191 by State | Property | Easement | 1976 | 1976 | | | H-BR. 79.1 | PNRA | 17-3-2-13A | 001 |
| | | Big Timber | MT | BN | Yellwstne | 5 | State to place guardrail along Hwy 191 at Br79.1 | Roadway | Notification | 1975 | 1976 | | | | PNRA | 17-3-2-68B | 021 |
| | | Big Timber | MT | BN | Yellwstne | 5 | Repair piers Br87 | Bridge | Maintenance | 1980 | 1980 | 51-0010-80 | | 8022 | PNRA | 17-4-2-13B | 004 |
| | | Big Timber | MT | BN | Yellwstne | 5 | Railing and walkway for Br79 | Bridge | Upgrade | 1977 | 1978 | | 77-988 | | PNRA | 17-4-3-68A | 003 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Wool warehouse to Sweetgrass Wool Marketing Association | Property | Sold | 1961 | 1962 | | 201-62 | | PNRA | 17-5-1-68A | 001 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Track changes to facilitate switching | Track | Upgrade | 1963 | 1963 | | 208-63 | | PNRA | 17-5-1-68A | 033 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Automatic crossing signals at McLeod St, close Anderson St, rearrange loading facilities | Grade Crossing | Construction | 1946 | 1947 | | 168-46 | | PNRA | 17-5-2-13B | 141 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Remove siding | Spur | Retirement | 1949 | 1949 | | 313-49 | | PNRA | 17-5-3-68A | 029 |
| | | Big Timber | MT | NP | Yellwstne | 5 | House track | Track | Relay | 1949 | 1949 | | 513-49 (1) | | PNRA | 17-5-3-68A | 050 |
| | | Big Timber | MT | NP | Yellwstne | 5 | Extend station platform | Station | Remodel | 1949 | 1949 | | 226-49 | | PNRA | 17-5-3-68A | 011 |
| | | Big Timber and Elton | MT | NP | Yellwstne | 5 | Main track (welded rail) | Track | Relay | 1952 | 1953 | | 407-52 | | PNRA | 16-5-2-68B | 127 |
| | | Big Timber to Elton | MT | NP | Yellwstne | 5 | Includes bankwidening | Track | Reballasting | 1952 | 1952 | | 311-52 | G732 | PNRA | 16-3-3-13B | 021 |
| | | Big Timber to Greycliff | MT | BN | Yellwstne | 5 | For I-90 construction. Includes grade crossing and drainage revisions | Property | Easement | 1978 | 1982 | | 78-941 | | PNRA | 17-5-3-13B | 001 |
| | | Big Timber to Kootenai | MT ID | BN | | | Curves | Track | Relay | 1985 | 1986 | 50-08-86 | 86-242 | | PNRA | 17-5-2-13A | 009 |
| | | Big Timber, Silesia, Chadborn, Hesper to Rapelje, Billings to Shepherd, Nichols to Colstrip | MT | NP | | | Rebuild Br4, Br9, Br13.1, Br14: upgrade Br3, Br8, Br10, various culverts | Bridge and culvert | Maintenance | 1953 | 1953 | | 434-53 D,F,G,H,I,J | G753 | PNRA | 17-5-1-68B | 005 |
| | | Big Timber, Springdale | MT | NP | Yellwstne | 5 | Shelter shed at stock scales (drawings only) | Load/unload facilities | Remodel | 1947 | 1947 | | 773-47 A | | PNRA | 16-5-2-45B | 099 |
| | | Billings | MT | NP | Yellwstne | 5 | Relay cross-over and West Ladder Track of New Yard Including 7 turnouts | Track | Relay | 1960 | 1961 | | 32-60 | G1017 | PNRA | 16-3-1-13B | 011 |
| | | Billings | MT | NP | Yellwstne | 5 | Passenger Station Waiting Room & Ticket Office | Station | Remodel | 1960 | 1961 | | 443-61 | G1020 | PNRA | 16-3-1-13B | 014 |
| | | Billings | MT | NP | Yellwstne | 5 | Replace heating plant at Passenger Terminal and abandon coach yard boiler plant | Station | Upgrade | 1963 | 1966 | | 194-63 | G1023 | PNRA | 16-3-1-13B | 017 |
| | | Billings | MT | NP | Yellwstne | 5 | Install mechanical Refrigeration in Freight House | Equipment | Installation | 1960 | 1960 | | 193-60 | G1025 | PNRA | 16-3-1-45A | 001 |
| | | Billings | MT | NP | Yellwstne | 5 | Install crossover near Continental Oil Co. Spur | Track | Installation | 1961 | 1961 | | 20-61 | G1026 | PNRA | 16-3-1-45A | 002 |
| | | Billings | MT | NP | Yellwstne | 5 | Easement for 27th St US 87 interchange and grade crossings of spurs | Grade Crossing | Construction | 1962 | 1967 | | 6461-66 | G1029 | PNRA | 16-3-1-45A | 006 |
| | | Billings | MT | NP | Yellwstne | 5 | Acquire and remodel Egge Building for use as Post Office Terminal | Building | Remodel | 1955 | 1956 | | 451-56 | G894 | PNRA | 16-3-1-45B | 001 |
| | | Billings | MT | NP | Yellwstne | 5 | Survey for spur to serve Industrial Equip Co | Spur | Survey | 1955 | 1955 | | | G895 | PNRA | 16-3-1-45B | 002 |
| | | Billings | MT | NP | Yellwstne | 5 | Request to build bridge at Hogan Slough | Bridge | Construction | 1955 | 1955 | | | G896 | PNRA | 16-3-1-45B | 003 |
| | | Billings | MT | NP | Yellwstne | 5 | Install 12 inch water line to serve Industrial site | Facilities | Upgrade | 1956 | 1956 | | 301-56 | G902 | PNRA | 16-3-1-45B | 008 |
| | | Billings | MT | NP | Yellwstne | 5 | Highway Department proposal for 4 lane highway overpass (over RR) | Overpass | Construction | 1956 | 1956 | | | G904 | PNRA | 16-3-1-45B | 009 |
| | | Billings | MT | NP | Yellwstne | 5 | to serve Independent Wholesale Grocers Inc. | Spur | Construction | 1956 | 1956 | | 352-56 | G905 | PNRA | 16-3-1-45B | 010 |
| | | Billings | MT | NP | Yellwstne | 5 | Track change to serve Independent Wholesale Grocers Inc. | Spur | Upgrade | 1963 | 1965 | | 215-65 | G905 | PNRA | 16-3-1-45B | 011 |
| | | Billings | MT | NP | Yellwstne | 5 | Warehouse for Kiel Co., by Palmer Steel Construction Co. | Building | Construction | 1966 | 1967 | | 209-67 | G905 | PNRA | 16-3-1-45B | 012 |
| | | Billings | MT | NP | Yellwstne | 5 | For O. E. Lee; includes bridge removal | Spur | Construction | 1956 | 1957 | | 21-57 | G914 | PNRA | 16-3-1-45B | 018 |
| | | Billings | MT | NP | Yellwstne | 5 | Changes in roundhouse to serve NPT | Building | Remodel | 1956 | 1956 | | 211-56 | G919 | PNRA | 16-3-1-45B | 021 |
| | | Billings | MT | NP | Yellwstne | 5 | For Midland Implement Co. | Spur | Construction | 1958 | 1958 | | 135-58 | G920 | PNRA | 16-3-1-45B | 022 |
| | | Billings | MT | NP | Yellwstne | 5 | Proposal by Lumber Enterprises Inc | Spur | Notification | 1956 | 1956 | | | G936 | PNRA | 16-3-1-45B | 033 |
| | | Billings | MT | NP | Yellwstne | 5 | Washing and Refueling Platform at NP Transport Garage | Facilities | Upgrade | 1958 | 1958 | | 15-58 | G941 | PNRA | 16-3-1-45B | 036 |
| | | Billings | MT | NP | Yellwstne | 5 | Construct cross-over at industrial site with GN & CB&Q. | Track | Construction | 1957 | 1957 | | 20-57 | G943 | PNRA | 16-3-1-45B | 038 |
| | | Billings | MT | NP | Yellwstne | 5 | For Great Western Sugar Co (includes AFE 120-68) | Spur | Construction | 1956 | 1970 | | 70-49 | G944 | PNRA | 16-3-1-45B | 039 |
| | | Billings | MT | NP | Yellwstne | 5 | Build facility for handling Engine Sand | Facilities | Construction | 1957 | 1958 | | 88-57 | G951 | PNRA | 16-3-1-45B | 045 |
| | | Billings | MT | NP | Yellwstne | 5 | Easement for roadway and sewer extension to industrial sites | Property | Transfer | 1957 | 1962 | | | G953 | PNRA | 16-3-1-45B | 046 |
| | | Billings | MT | NP | Yellwstne | 5 | Remove House track # 4 | Track | Retirement | 1957 | 1957 | | 151-57 | G955 | PNRA | 16-3-1-45B | 048 |
| | | Billings | MT | NP | Yellwstne | 5 | Tangent between curves 11 & 12, joint w/ GN and CB&Q | Track | Relay | 1960 | 1960 | | 330-60 | G1034 | PNRA | 16-3-1-68A | 006 |
| | | Billings | MT | NP | Yellwstne | 5 | Great Western Sugar Co, joint w/ GN and CB&Q | Spur | Extension | 1960 | 1960 | | 370-60 | G1035 | PNRA | 16-3-1-68A | 007 |
| | | Billings | MT | NP | Yellwstne | 5 | State of Montana proposed easement on NP right of way for irrigation ditch | Irrigation Ditch | Easement | 1960 | 1962 | | | G1038 | PNRA | 16-3-1-68A | 009 |
| | | Billings | MT | NP | Yellwstne | 5 | Over Kings Ave Rd West, joint w/ GN and CB&Q | Overpass | Construction | 1960 | 1965 | | 124-64 | G1039 | PNRA | 16-3-1-68A | 010 |
| | | Billings | MT | NP | Yellwstne | 5 | to serve Rockwood Brown and Sons Co, joint w/ GN and CB&Q | Spur | Construction | 1961 | 1961 | | 294-61 | G1045 | PNRA | 16-3-1-68A | 014 |
| | | Billings | MT | NP | Yellwstne | 5 | to serve Kraft Foods, joint w/ GN and CB&Q | Spur | Construction | 1961 | 1962 | | 442-61 | G1049 | PNRA | 16-3-1-68A | 017 |
| | | Billings | MT | NP | Yellwstne | 5 | Remove Machine shop, Boiler room and 16 stall Roundhouse, joint w/GN and CB&Q | Building | Retirement | 1961 | 1963 | | 192-62 | G1051 | PNRA | 16-3-1-68A | 019 |
| | | Billings | MT | NP | Yellwstne | 5 | Pave portions of Plainview Street, joint w/ GN anf CB&Q | Roadway | Upgrade | 1961 | 1961 | | 165-62 | G1053 | PNRA | 16-3-1-68A | 020 |
| | | Billings | MT | NP | Yellwstne | 5 | for Kleepfer Brothers Construction Co, joint w/ GN and CB&Q | Spur | Construction | 1961 | 1961 | | 265-61 | G1055 | PNRA | 16-3-1-68A | 022 |
| | | Billings | MT | NP | Yellwstne | 5 | to serve Georgia Pacific Co, joint w/ GN and CB&Q | Spur | Construction | 1963 | 1963 | | 432-63 | G1059 | PNRA | 16-3-1-68A | 024 |
| | | Billings | MT | NP | Yellwstne | 5 | to serve Briggs Holding Co, joint w/ GN and CB&Q | Spur | Construction | 1962 | 1962 | | 451-61 | G1059-A | PNRA | 16-3-1-68A | 025 |
| | | Billings | MT | NP | Yellwstne | 5 | Replace Bents #2, 3 & 4 on Br225 over 21st Street, joint w/ GN and CB&Q | Bridge | Maintenance | 1962 | 1963 | | 403-62 | G1060 | PNRA | 16-3-1-68A | 026 |