| | Count= 3684 | | | | | | | | | | | | | | | |
| | | Agency | MT | Bridge | NP | 79-34 | FCR | | Upgrade | 1934 | 1934 | Br # 3 | | 17-3-3-13B | 054 | |
| | | Agency | MT | Spur | NP | 454-36 | FCR | | Extension | 1936 | 1939 | Extend spur, construct unloading platform, remove depot shelter | | 17-3-3-68A | 067 | |
| | | Agency | MT | Spur | BN | 77-69 | RFA 51-61-77 | | Retirement | 1977 | 1979 | Remove spur | | 17-4-2-68A | 039 | |
| | | Alder | MT | Facilities | NP | 582-30 | | | Construction | 1930 | 1930 | Wool warehouse | | 16-3-2-45B | 111 | |
| | | Alder | MT | Load/unload facilities | NP | 545-39 | FCR | | Construction | 1939 | 1939 | Additional ore-loading platform | | 17-5-1-13B | 119 | |
| | | Alder | MT | Grade Crossing | NP | 762-40 | FCR | | Replacement | 1940 | 1941 | At wye | | 17-5-1-13B | 055 | |
| | | Alder | MT | Bridge | NP | 214-50 | FCR | | Reconstruction | 1952 | 1952 | Rebuild Br # 41 and construct WB flume | | 17-5-3-68A | 111 | |
| | | Alder | MT | Facilities | NP | 81-55 | FCR | | Cancellation | 1955 | 1955 | Electric pump and water softener at depot | | 16-5-2-13B | 097 | |
| | | Alder | MT | Property | BN | 73-1356 | | | Purchase | 1973 | 1973 | Extension to Ruby Valley Branch | | 16-3-3-45A | 001 | |
| | | Allen's Spur | MT | Culvert | NP | 178-64 | FCR | | Installation | 1964 | 1964 | State of Montana paying for installation of culvert and ditches for Highway F217 | | 16-3-2-68B | 016 | |
| | | Amsterdam | MT | Spur | NP | 150-50 | FCR | | Extension | 1950 | 1950 | Mill track | | 17-5-3-68A | 103 | |
| | | Amsterdam | MT | Load/unload facilities | BN | 86-657 | RFA 51-17-86 | | Sold | 1986 | 1986 | Loading platform to Jim Veltkamp | | 17-5-2-13A | 041 | |
| | | Anceney | MT | Load/unload facilities | NP | 337-30 | | | Extension | 1930 | 1930 | Stock chute extension at Stock Pens | | 16-3-2-45B | 098 | |
| | | Anceney | MT | Load/unload facilities | NP | 837-40 | FCR | | Remodel | 1940 | 1940 | Stockyard | | 17-5-1-13B | 063 | |
| | | Anceney | MT | Load/unload facilities | NP | 660-52 | FCR | | Upgrade | 1952 | 1952 | Water well for stockyard | | 17-4-3-68B | 028 | |
| | | Arlee | MT | Track | NP | 7004-33 | FCR | | Relay | 1933 | 1933 | Curve | | 17-3-3-13B | 041 | |
| | | Arlee | MT | Bridge | NP | 65-34 | FCR | | Upgrade | 1934 | 1935 | Place two new piers to reinforce Br # 22 over Jocko River | | 17-3-3-13B | 045 | |
| | | Arlee | MT | Spur | NP | 158-43 | FCR | | Relay | 1943 | 1943 | Siding | | 17-5-3-13A | 023 | |
| | | Arlee | MT | Building | NP | 88-46 | FCR | | Construction | 1946 | 1947 | Replace section house | | 17-5-2-13B | 113 | |
| | | Arlee | MT | Spur | NP | 315-46 | FCR | | Extension | 1946 | 1946 | For E Rother & Son | | 17-5-2-13B | 145 | |
| | | Arlee | MT | Spur | NP | 656-46 | FCR | | Construction | 1946 | 1946 | For Schaefer Hitchcock Co | | 17-5-2-13B | 184 | |
| | | Arlee | MT | Track | NP | 427-57 | FCR | | Retirement | 1957 | 1957 | Remove various tracks | | 17-5-2-68B | 092 | |
| | | Arlee to Dixon | MT | Track | NP | 432-44 | FCR | | Reballasting | 1944 | 1946 | Br # 21, # 25 raised | | 17-5-3-13A | 148 | |
| | | Arlee to Ravalli | MT | Bridges | BN | | RFA 51-0016-80 | 8024 | Maintenance | 1980 | 1980 | Br # 26 and Br # 31 | | 17-4-2-13B | 006 | |
| | | Arminto | MT | Bridge | BN | | | 2780 | Maintenance | 1975 | 1975 | Stringers | | 16-4-1-68A | 013 | |
| | | Arminto | MT | Bridge | BN | | | 3032 | Maintenance | 1976 | 1976 | # 269 | | 16-4-1-68A | 056 | |
| | | Arminto | MT | Bridge | BN | | | 3035 | Maintenance | 1976 | 1976 | # 269 | | 16-4-1-68A | 061 | |
| | | Arnold | MT | Rip Rap | BN | | RFA 51-24-74 | 1818 | Maintenance | 1974 | 1974 | at Br # 13.3 | | 17-4-1-68A | 002 | |
| | | Austin | MT | Track | NP | 7003-33 | FCR | | Relay | 1933 | 1933 | Curve | | 17-3-3-13B | 040 | |
| | | Austin | MT | Track | NP | 176-A-34 | FCR | | Relay | 1933 | 1933 | with 130# rail | | 17-3-3-13B | 073 | |
| | | Austin | MT | Track | NP | 135-A-35 | FCR | | Relay | 1935 | 1937 | Curve | | 17-3-3-13B | 146 | |
| | | Austin | MT | Track | NP | 104-B-36 | FCR | | Relay | 1935 | 1936 | Curve | | 17-3-3-68A | 025 | |
| | | Austin | MT | Track | NP | 106-37 | FCR | | Relay | 1936 | 1937 | Curve | | 17-3-3-68A | 114 | |
| | | Austin | MT | Track | NP | 150-A-38 | FCR | | Relay | 1938 | 1938 | Passing track and spur | | 17-5-1-13B | 152 | |
| | | Austin | MT | Facilities | NP | 125-43 | FCR | | Upgrade | 1943 | 1944 | Replace water tanks | | 17-5-3-13A | 020 | |
| | | Austin | MT | Track | NP | 388-45 | FCR | | Relocation | 1945 | 1948 | Lower track in Iron Ridge Tunnel | | 17-5-2-13B | 058 | |
| | | Austin | MT | Track | NP | 191-55 | FCR | | Extension | 1954 | 1955 | Westward siding | | 16-5-2-13B | 119 | |
| | | Austin | MT | Spur | NP | 156-57 | FCR | | Construction | 1957 | 1957 | Convert north siding to spur | | 17-5-2-68B | 061 | |
| | | Austin | MT | Facilities | NP | 349-61 | FCR | | Cancellation | 1961 | 1963 | Drill well and install pressure water system for Signal Maintainer | | 16-5-1-13A | 049 | |
| | | Austin | MT | Track | NP | 479-67 | | | Relay | 1967 | 1967 | Curves | | 17-3-2-68A | 053 | |
| | | Austin | MT | Track | BN | | RFA 51-101-79 | 7861 | Relay | 1979 | 1980 | Curves | | 16-5-1-68B | 076 | |
| | | Austin and Skyline | MT | Track | BN | | RFA 51-024-78 | 5372 | Relay | 1978 | 1978 | Curves | | 16-5-1-68A | 033 | |
| | | Austin to Nimrod | MT | Track | NP | 100-A-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 085 | |
| | | Austin to Nimrod | MT | Track | NP | 100-B-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 086 | |
| | | Austin to Nimrod | MT | Track | NP | 100-C-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 087 | |
| | | Austin to Nimrod | MT | Track | NP | 100-D-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 088 | |
| | | Austin to Nimrod | MT | Track | NP | 100-F-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 089 | |
| | | Austin to Nimrod | MT | Track | NP | 100-G-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 090 | |
| | | Austin to Nimrod | MT | Track | NP | 100-H-37 | FCR | | Relay | 1937 | 1937 | curve | | 17-3-3-68A | 091 | |
| | | Avon | MT | Track | NP | 512-29 | | | Relay | 1929 | 1929 | Relay House track | | 16-3-2-45B | 026 | |
| | | Avon | MT | Track | NP | 608-29 | | | Extension | 1929 | 1929 | Extend South passing siding | | 16-3-2-45B | 030 | |
| | | Avon | MT | Equipment | NP | 386-35 | FCR | | Installation | 1936 | 1937 | Stockyard scales | | 17-3-3-13B | 174 | |
| | | Avon | MT | Load/unload facilities | NP | 486-40 | FCR | | Construction | 1940 | 1940 | Ore loading platform | | 17-5-1-13B | 027 | |
| | | Avon | MT | Load/unload facilities | NP | 31-44 | FCR | | Extension | 1944 | 1944 | Ore loading platform | | 17-5-3-13A | 090 | |
| | | Avon | MT | Spur | NP | 202-45 | FCR | | Extension | 1945 | 1945 | Siding | | 17-5-2-13B | 033 | |
| | | Avon | MT | Bridge | NP | 558-45 | | | Upgrade | 1947 | 1947 | Walkway on Br # 37 | | 17-5-2-13B | 072 | |
| | | Avon | MT | Load/unload facilities | NP | 682-49 | FCR | | Construction | 1949 | 1949 | Additional ramp for ore-loading platform | | 17-5-3-68A | 073 | |
| | | Avon | MT | Spur | NP | 464-50 | FCR | | Retirement | 1950 | 1950 | Serving Avon Lumber Co | | 17-5-3-68A | 145 | |
| | | Avon | MT | Load/unload facilities | NP | 57-56 | FCR | | Extension | 1956 | 1957 | Stockyard spur | | 16-5-2-13B | 008 | |
| | | Avon | MT | Facilities | NP | 263-57 | FCR | | Upgrade | 1957 | 1958 | Drill well and install pressure water system | | 17-5-2-68B | 075 | |
| | | Avon | MT | Facilities | NP | 393-59 | FCR | | Upgrade | 1959 | 1959 | Drilled well, pumphouse, and pressure system | | 16-5-1-13B | 054 | |
| | | Avon | MT | Grade Crossing | NP | 103-64 | FCR | | Upgrade | 1960 | 1964 | Improve crossing and install flashing lights with gates. See AFE 162-64 for easement to State of Montana | | 16-3-2-68B | 004 | |
| | | Avon | MT | Load/unload facilities | NP | 370-61 | FCR | | Cancellation | 1961 | 1962 | Improvements to ore loading platform | | 16-5-1-13A | 054 | |
| | | Avon | MT | Property | NP | 162-64 | | | Easement | 1964 | 1964 | Granting Easement to State of Montana for Highway Grade Crossing | | 16-3-2-68B | 015 | |
| | | Avon | MT | Equipment | NP | 209-64 | FCR | | Upgrade | 1964 | 1964 | Replace 10 ton scale with 15 ton scale | | 16-3-2-68B | 019 | |
| | | Avon | MT | Grade Crossing | NP | 764-52 | FCR | | Installation | 1952 | 1953 | Automatic flashing light signals | | 17-4-3-68B | 040 | |
| | | Avon | MT | Property | BN | 82-510 | RFA 51-0093-81 | | Easement | 1981 | 1982 | US Hwy 12. provate crossing, and temporary construction permit | | 17-5-1-13A | 035 | |
| | | Avon and Bradley | MT | Equipment | BN | 82-951 | RFA 51-0083-82 | | Installation | 1982 | 1982 | Rail lubricators | | 17-5-1-13A | 044 | |
| | | Avon and Gold Creek | MT | Bridges | BN | | RFA 51-009-78 | 5999 | Maintenance | 1978 | 1981 | Renew deskc on Br # 37 and 59.1 | | 16-5-1-68B | 022 | |
| | | Avon to Bradley | MT | Track | BN | | RFA 51-59-75 | 2615 | Relay | 1975 | 1975 | Curve | | 17-4-1-68A | 045 | |
| | | Bass | MT | Spur | NP | 962-30 | | | Extension | 1930 | 1930 | Additional 120 feet siding | | 16-3-2-45B | 135 | |
| | | Bass | MT | Spur | NP | 561-45 | FCR | | Construction | 1945 | 1945 | For Hagen Bros potato warehouse | | 17-5-2-13B | 075 | |
| | | Bass | MT | Spur | BN | 72-1490 | | | Abandonment | 1970 | 1973 | Remove spur and two turnouts | | 17-3-3-13A | 032 | |
| | | Bass | MT | Spur | BN | 78-67(K) | RFA 51-87-77 | | Retirement | 1977 | 1979 | Remove portion of siding | | 17-4-1-13B | 022 | |
| | | Beals and Dawes | MT | Spur | NP | 387-57 | FCR | | Retirement | 1957 | 1957 | Remove spurs | | 17-5-2-68B | 089 | |
| | | Bearmouth | MT | Track | NP | 609-29 | | | Extension | 1929 | 1929 | Extend Westward siding | | 16-3-2-45B | 031 | |
| | | Bearmouth | MT | Track | NP | 176-B-34 | FCR | | Relay | 1934 | 1934 | Curve | | 17-3-3-13B | 074 | |
| | | Bearmouth | MT | Track | NP | 104-I-36 | FCR | | Relay | 1936 | 1936 | Curve | | 17-3-3-68A | 032 | |
| | | Bearmouth | MT | Load/unload facilities | NP | 587-38 | FCR | | Upgrade | 1938 | 1939 | Electric lights at coal dock | | 17-5-1-13B | 142 | |
| | | Bearmouth | MT | Load/unload facilities | NP | 653-39 | FCR | | Upgrade | 1939 | 1940 | Electric lights at ore-loading platform | | 17-5-1-13B | 129 | |
| | | Bearmouth | MT | Track | NP | 719-40 | FCR | | Retirement | 1940 | 1940 | Remove house track | | 17-5-1-13B | 049 | |
| | | Bearmouth | MT | Facilities | NP | 263-43 | FCR | | Upgrade | 1943 | 1944 | Water treating facilities | | 17-5-3-13A | 038 | |
| | | Bearmouth | MT | Facilities | NP | 491-44 | FCR | | Upgrade | 1944 | 1945 | Replace water tank | | 17-5-3-13A | 156 | |
| | | Bearmouth | MT | Spur | NP | 204-45 | FCR | | Extension | 1945 | 1945 | Westward siding | | 17-5-2-13B | 035 | |
| | | Bearmouth | MT | Load/unload facilities | NP | 731-52 | FCR | | Extension | 1952 | 1952 | Stull Loading Skid | | 17-4-3-68B | 037 | |
| | | Bearmouth | MT | Building | NP | 257-57 | FCR | | Construction | 1957 | 1958 | Signal maintainer motor car house | | 17-5-2-68B | 071 | |
| | | Bearmouth | MT | Building | NP | 453-57 | FCR | | Remodel | 1957 | 1958 | Bathroom at signal maintainers house | | 17-5-2-68B | 094 | |
| | | Bearmouth | MT | Grade Crossing | NP | 392-68 | | | Installation | 1968 | 1968 | Automatic signals at MP 86+2624 Highway I-90 | | 16-3-2-45A | 002 | |
| | | Bearmouth | MT | Track | BN | 70-61 | | | Installation | 1968 | 1971 | Fencing and seeding east and west | | 16-3-2-45A | 103 | |
| | | Bearmouth | MT | Property | BN | 72-9158 | | | Easement | 1972 | 1972 | to State of Montana for I-90 Interstate Highway | | 16-3-3-68B | 006 | |
| | | Bearmouth | MT | Bridge | BN | | RFA 51-016-79 | 7457 | Maintenance | 1979 | 1979 | Renew deck and walkway on Br # 87 over Clark Fork River | | 16-5-1-68B | 064 | |
| | | Bearmouth | MT | Track | BN | | | 7862 | Relay | 1979 | 1980 | Curve | | 16-5-1-68B | 077 | |
| | | Bearmouth to Willis | MT | Track | NP | 285-45 | FCR | | Relay | 1945 | 1945 | Main line | | 17-5-2-13B | 041 | |
| | | Bearmouth to Willis | MT | Track | NP | 343-45 | FCR | | Reballasting | 1945 | 1945 | EB Main track | | 17-5-2-13B | 055 | |
| | | Bearmouth, Winston | MT | Load/unload facilities | NP | 642-A/B-46 | FCR | | Relocation | 1946 | 1946 | Move stockyard scale from Bearmouth to Winston | | 17-5-2-13B | 181 | |
| | | Beaver Creek | MT | Equipment | BN | | RFA CM 72-74 | 1872 | Maintenance | 1974 | 1974 | Air conditioner for Beaver Creek microwave site | | 17-4-1-68A | 010 | |
| | | Belgrade | MT | Facilities | NP | 425-30 | | | Installation | 1930 | 1930 | Fence between MP 152-3200 and 4367 | | 16-3-2-45B | 104 | |
| | | Belgrade | MT | Station | NP | 553-30 | | | Replacement | 1930 | 1930 | Fire destroyed depot | | 16-3-2-45B | 109 | |
| | | Belgrade | MT | Track | NP | 630-40 | FCR | | Retirement | 1940 | 1940 | Remove portion of house track | | 17-5-1-13B | 040 | |
| | | Belgrade | MT | Track | NP | 170-50 | FCR | | Extension | 1950 | 1950 | House track | | 17-5-3-68A | 109 | |
| | | Belgrade | MT | Grade Crossing | NP | 471-54 | FCR | | Upgrade | 1954 | 1954 | Automatic flashing light signals at Broadway St | | 17-5-2-68B | 011 | |
| | | Belgrade | MT | Rip Rap | NP | 130-56 | FCR | | Maintenance | 1954 | 1955 | At Gallatin River | | 16-5-2-13B | 014 | |
| | | Belgrade | MT | Grade Crossing | NP | 37-60 | FCR | | Upgrade | 1960 | 1960 | Replace wig-wag signals with automatic flashing lights at Broadway | | 16-5-1-45B | 022 | |
| | | Belgrade | MT | Grade Crossing | NP | 83-65 | | | Installation | 1964 | 1965 | automatic signals and gates at Broadway St | | 17-3-1-68B | 020 | |
| | | Belgrade | MT | Spur | BN | 72-709 | | | Construction | 1971 | 1973 | To serve Peavey agri-business complex | | 17-3-3-13A | 010 | |
| | | Belgrade | MT | Spur | BN | 72-1627 | | | Retirement | 1973 | 1973 | 704 feet and construct unloading ramp | | 16-3-3-68B | 002 | |
| | | Belgrade | MT | Grade Crossing | BN | 76-969 | | | Installation | 1976 | 1978 | Flashing lights and gate arms at Oregon St | | 17-4-2-68A | 012 | |
| | | Belgrade and Logan | MT | Facilities | NP | 714-44 | FCR | | Relocation | 1944 | 1948 | Section house from Belgrade to Logan | | 17-5-2-13B | 007 | |
| | | Belgrade and Manhattan | MT | Culvert | BN | 70-433 | | | Upgrade | 1970 | 1970 | Replace culverts | | 17-3-3-68B | 027 | |
| | | Belgrade to Logan | MT | Track | NP | 114-39 | FCR | | Relay | 1939 | 1939 | Curves | | 17-5-1-13B | 079 | |
| | | Belgrade to Logan | MT | Track | BN | 86-185 | RFA 50-003-86 | | Relay | 1985 | 1986 | Main line | | 17-5-2-13A | 015 | |
| | | Belknap to Noxon | MT | Track | NP | 123-A/B-61 | FCR | | Reconstruction | 1955 | 1957 | Line change for Noxon Rapids Dam, and relocation of various facilities | | 16-5-1-13A | 023 | |
| | | Big Horn | MT | Spur | NP | 279-60 | FCR | G1021 | Extension | 1960 | 1960 | Extend Beet Spur Loading Track | | 16-3-1-13B | 015 | |
| | | Big Timber | MT | Grade Crossing | NP | 168-46 | FCR | | Construction | 1946 | 1947 | Automatic crossing signals at McLeod St, close Anderson St, rearrange loading facilities | | 17-5-2-13B | 141 | |
| | | Big Timber | MT | Spur | NP | 313-49 | FCR | | Retirement | 1949 | 1949 | Remove siding | | 17-5-3-68A | 029 | |
| | | Big Timber | MT | Track | NP | 513-49 (1) | FCR | | Relay | 1949 | 1949 | House track | | 17-5-3-68A | 050 | |
| | | Big Timber | MT | Facilities | NP | 283-52 | | | Upgrade | 1952 | 1952 | Connect section facilities to city water | | 16-3-3-13B | 019 | |
| | | Big Timber | MT | Station | NP | | | G863 | Upgrade | 1955 | 1955 | replace depot roof | | 17-3-1-68A | 030 | |
| | | Big Timber | MT | Culvert | NP | 288-D-56 | FCR | | Upgrade | 1955 | 1956 | Replace stone arch with CMP | | 16-5-2-13B | 040 | |
| | | Big Timber | MT | Load/unload facilities | NP | 130-55 | FCR | | Upgrade | 1955 | 1955 | Improvements to stockyard | | 16-5-2-13B | 103 | |
| | | Big Timber | MT | Spur | NP | 90-56 | FCR | | Relay | 1956 | 1956 | Stockyard track | | 16-5-2-13B | 016 | |
| | | Big Timber | MT | Load/unload facilities | NP | 91-57 | FCR | G948 | Reconstruction | 1957 | 1957 | Replace unloading platform | | 16-3-1-45B | 042 | |
| | | Big Timber | MT | Property | NP | 201-62 | FCR | | Sold | 1961 | 1962 | Wool warehouse to Sweetgrass Wool Marketing Association | | 17-5-1-68A | 001 | |
| | | Big Timber | MT | Track | NP | 208-63 | FCR | | Upgrade | 1963 | 1963 | Track changes to facilitate switching | | 17-5-1-68A | 033 | |
| | | Big Timber | MT | Equipment | NP | 16-65 | | G1133 | Replacement | 1965 | 1965 | replace stock scale in new location | | 17-3-1-68B | 001 | |
| | | Big Timber | MT | Load/unload facilities | NP | 432-68 | | | Extension | 1968 | 1968 | Extend raised dock into warehouse | | 16-3-2-45A | 007 | |
| | | Big Timber | MT | Buildings | NP | 27-68 | | | Replacement | 1968 | 1968 | Motor car and tool house | | 16-3-2-13A | 019 | |
| | | Big Timber | MT | Roadway | BN | | | | Notification | 1975 | 1976 | State to place guardrail along Hwy 191 at Br # 79.1 | | 17-3-2-68B | 021 | |
| | | Big Timber | MT | Property | BN | | | H-BR. 79.1 | Easement | 1976 | 1976 | Underpass of Hwy 191 by State | | 17-3-2-13A | 001 | |
| | | Big Timber | MT | Bridge | BN | 77-988 | | | Upgrade | 1977 | 1978 | Railing and walkway for Br # 79 | | 17-4-3-68A | 003 | |
| | | Big Timber | MT | Bridge | BN | | RFA 51-0010-80 | 8022 | Maintenance | 1980 | 1980 | Repair piers Br # 87 | | 17-4-2-13B | 004 | |
| | | Big Timber | MT | Station | NP | 226-49 | FCR | | Remodel | 1949 | 1949 | Extend station platform | | 17-5-3-68A | 011 | |
| | | Big Timber to Elton | MT | Track | NP | 311-52 | | | Reballasting | 1952 | 1952 | Includes bankwidening | | 16-3-3-13B | 021 | |
| | | Big Timber to Greycliff | MT | Property | BN | 78-941 | | | Easement | 1978 | 1982 | For I-90 construction. Includes grade crossing and drainage revisions | | 17-5-3-13B | 001 | |
| | | Big Timber to Kootenai | MT ID | Track | BN | 86-242 | RFA 50-08-86 | | Relay | 1985 | 1986 | Curves | | 17-5-2-13A | 009 | |
| | | Billings | MT | Grade Crossing | NP | 797-51 | | | Upgrade | 1950 | 1950 | | | 16-3-3-13B | 003 | |
| | | Billings | MT | Facilities | NP | | | G 997-A | Notification | 1950 | 1958 | Gas line for Montana Power Co Bird steam plant | | 17-3-2-13B | 010 | |
| | | Billings | MT | Spur | NP | 293-51 | | | Construction | 1951 | 1951 | Ryan Grocery | | 16-3-3-13A | 013 | |
| | | Billings | MT | Equipment | NP | 567B-51 | | | Installation | 1951 | 1951 | Telephone switching circuit | | 16-3-3-13A | 022 | |
| | | Billings | MT | Track | NP | 615-51 | | | Retirement | 1951 | 1951 | and extend passing track | | 16-3-3-13A | 023 | |
| | | Billings | MT | Buildings | NP | 697-51 | | | Remodel | 1951 | 1952 | Toilet for section men | | 16-3-3-13A | 024 | |
| | | Billings | MT | Spur | NP | 798-51 | | | Retirement | 1951 | 1951 | to Crane Co. | | 16-3-3-13B | 004 | |
| | | Billings | MT | Spur | NP | | | | Inspection | 1951 | 1951 | proposal for Armco Co. | | 16-3-3-13B | 006 | |
| | | Billings | MT | Survey | NP | | | | Inspection | 1951 | 1951 | Spur for Occident Milling Co, | | 16-3-3-13B | 009 | |
| | | Billings | MT | Survey | NP | | | | Notification | 1951 | 1966 | Properties adjacent to Continental Oil Refinery | | 17-3-2-13B | 007 | |
| | | Billings | MT | Spur | NP | 638-53 | FCR | G767 | Extension | 1951 | 1954 | For Artificial Ice and Cold Storage Co | | 17-5-1-68B | 007 | |
| | | Billings | MT | Roadway | NP | | | | Construction | 1952 | 1952 | connect to NP right of way at Montana Ave | | 16-3-3-13B | 008 | |
| | | Billings | MT | Track | NP | 149-52 | | | Relay | 1952 | 1952 | East Switching Lead and Ladder joint with CB&Q and GN | | 16-3-3-13B | 015 | |
| | | Billings | MT | Track | NP | 150-52 | | | Relay | 1952 | 1952 | East Switching Lead and Ladder joint with CB&Q and GN | | 16-3-3-13B | 017 | |
| | | Billings | MT | Track | NP | 151-52 | | | Relay | 1952 | 1952 | Numbers 1 and 3 in Old Yard Joint with CB&Q and GN | | 16-3-3-13B | 018 | |
| | | Billings | MT | Buildings | NP | 14-52 | | | Construction | 1952 | 1952 | for Ice house and coal storage | | 16-3-3-13B | 030 | |
| | | Billings | MT | Roadway | NP | 373-52 | | | Installation | 1952 | 1952 | Paving and fencing for NP Transport Garage | | 16-3-3-13B | 037 | |
| | | Billings | MT | Spur | NP | 478-52 | | | Installation | 1952 | 1952 | for Russell Miller Milling Co. | | 16-3-3-13B | 038 | |
| | | Billings | MT | Station | NP | 262-53 | | | Remodel | 1952 | 1954 | for Railway Express and joint with CB&Q and GN | | 16-3-3-13B | 043 | |
| | | Billings | MT | Track | NP | 183C-53 | | | Upgrade | 1952 | 1952 | Tie plates, joint with CB&Q and GN | | 16-3-3-13B | 046 | |
| | | Billings | MT | Overpass | NP | | | G747 | Construction | 1952 | 1952 | 13th St subway | | 17-5-1-68B | 004 | |
| | | Billings | MT | Facilities | NP | 627-52 | | G770 | Upgrade | 1952 | 1952 | Convert boilers in power plant to natural gas | | 17-5-1-68B | 010 | |
| | | Billings | MT | Buildings | NP | | | | Upgrade | 1953 | 1953 | Freight house toilet | | 16-3-3-13B | 045 | |
| | | Billings | MT | Spur | NP | | | 781 | Reconstruction | 1953 | 1953 | for Linde Air Products | | 16-4-1-68B | 008 | |
| | | Billings | MT | Spur | NP | | | 782 | Reconstruction | 1953 | 1953 | Install drainage for Lovell Clay Products | | 16-4-1-68B | 009 | |
| | | Billings | MT | Spur | NP | 654-53 | | | Extension | 1953 | 1953 | Central Distributing | | 16-4-1-68B | 010 | |
| | | Billings | MT | Property | NP | | | G786 | Easement | 1953 | 1953 | Granted to City of Billings for water line | | 16-4-1-68B | 011 | |
| | | Billings | MT | Facilities | NP | | | G792 | Construction | 1953 | 1953 | Sanitary sewer | | 16-4-1-68B | 013 | |
| | | Billings | MT | Grade Crossing | NP | 562-54 | | G836 | Installation | 1953 | 1955 | Automatic crossing signals at Minnesota Ave (10% NP/90% State) | | 17-3-1-68A | 006 | |
| | | Billings | MT | Property | NP | 309-53 | FCR | G757 | Sold | 1953 | 1953 | For Armco Drainage and Metal Products Co | | 17-5-1-68B | 006 | |
| | | Billings | MT | Building | NP | 653-53 | FCR | G772 | Extension | 1953 | 1955 | Freight house | | 17-5-1-68B | 011 | |
| | | Billings | MT | Facilities | NP | 265-53 | FCR | G774 | Upgrade | 1953 | 1953 | Convert coachyard power plant to natural gas | | 17-5-1-68B | 013 | |
| | | Billings | MT | Equipment | NP | 543-54 | | | Replacement | 1954 | 1954 | Lift trucks at Freight House | | 16-3-3-13B | 027 | |
| | | Billings | MT | Roadway | NP | 289-54 | | | Upgrade | 1954 | 1954 | Driveway | | 16-3-3-13B | 036 | |
| | | Billings | MT | Facilities | NP | 85-54 | | | Construction | 1954 | 1954 | Metal Building for diesel fueling and sanding | | 16-4-1-68B | 012 | |
| | | Billings | MT | Equipment | NP | 82-54 | | | Replacement | 1954 | 1954 | Smoke jack for Diesel Head Stack | | 16-4-1-68B | 016 | |
| | | Billings | MT | Buildings | NP | | | 795 | Remodel | 1954 | 1954 | Office move to 2nd floor | | 16-4-1-68B | 017 | |
| | | Billings | MT | Equipment | NP | 729-53 | | | Purchase | 1954 | 1954 | Office equipment & Automobile | | 16-4-1-68B | 019 | |
| | | Billings | MT | Track | NP | 84-54 | | | Extension | 1954 | 1954 | in New Yard | | 16-4-1-68B | 020 | |
| | | Billings | MT | Track | NP | 83-54 | | | Construction | 1954 | 1954 | Caboose track, joint with GN and CB & Q | | 16-4-1-68B | 021 | |
| | | Billings | MT | Grade Crossing | NP | 171-54 | | | Installation | 1954 | 1954 | Plank crossing at 27th St. Joint with GN and CB & Q | | 16-4-1-68B | 022 | |
| | | Billings | MT | Station | NP | 68-54 | | | Construction | 1954 | 1954 | Water treatment plant. Join with GN and CB & Q | | 16-4-1-68B | 027 | |
| | | Billings | MT | Spur | NP | 98-54 | | | Extension | 1954 | 1954 | Joint with GN and CB & Q | | 16-4-1-68B | 028 | |
| | | Billings | MT | Grade Crossing | NP | | | G809 | Installation | 1954 | 1954 | Proposal for crossing at Mary Street | | 16-4-1-68B | 032 | |
| | | Billings | MT | Signals | NP | 116-54 | | | Replacement | 1954 | 1954 | Joint with GN and CB & Q | | 16-4-1-68B | 034 | |
| | | Billings | MT | Bridge | NP | | | G815 | Replacement | 1954 | 1954 | | | 16-4-1-68B | 037 | |
| | | Billings | MT | Buildings | NP | 306-54 | | | Remodel | 1954 | 1955 | Lavatory and Switchman's building. Joint with GN and CB & Q | | 16-4-1-68B | 040 | |
| | | Billings | MT | Culverts | NP | | | G827 | Reconstruction | 1954 | 1954 | Huntley Irrigation District | | 16-4-1-68B | 048 | |
| | | Billings | MT | Spur | NP | | | G828 | Construction | 1954 | 1954 | to serve Beall Pipe & Tank | | 17-3-1-68A | 001 | |
| | | Billings | MT | Buildings | NP | | | G841 | Relocation | 1954 | 1954 | relocate four Company buildings | | 17-3-1-68A | 010 | |
| | | Billings | MT | Grade Crossing | NP | 631-54 | | G844 | Upgrade | 1954 | 1955 | add lighting, joint with CB &Q | | 17-3-1-68A | 013 | |
| | | Billings | MT | Track | NP | 220-55 | | G856 | Retirement | 1954 | 1955 | remove yard tracks at roundhouse | | 17-3-1-68A | 024 | |
| | | Billings | MT | Building | NP | 64-57 | | G882 | Construction | 1954 | 1956 | for Ryan Wholesale Grocers | | 17-3-1-68A | 042 | |
| | | Billings | MT | Spur | NP | 337-54 | FCR | G767 | Construction | 1954 | 1954 | For Nehi Beverage Co. | | 17-5-1-68B | 008 | |
| | | Billings | MT | Facilities | NP | 289-54 | | G744 | Installation | 1954 | 1954 | Improve driveway to NPT | | 17-5-1-68B | 014 | |
| | | Billings | MT | Grade Crossing | NP | 700-57 | FCR | | Construction | 1954 | 1960 | Laurel-Billings Road | | 17-5-2-68A | 023 | |
| | | Billings | MT | Building | NP | 451-56 | FCR | G894 | Remodel | 1955 | 1956 | Acquire and remodel Egge Building for use as Post Office Terminal | | 16-3-1-45B | 001 | |
| | | Billings | MT | Spur | NP | | | G895 | Survey | 1955 | | Survey for spur to serve Industrial Equip Co | | 16-3-1-45B | 002 | |
| | | Billings | MT | Bridge | NP | | | G896 | Construction | 1955 | | Request to build bridge at Hogan Slough | | 16-3-1-45B | 003 | |
| | | Billings | MT | Facilities | NP | 328-54 | | | Abandonment | 1955 | 1955 | Steam Locomotive | | 16-4-1-68B | 041 | |
| | | Billings | MT | Facilities | NP | 647-55 | | | Replacement | 1955 | 1955 | Water line at Industrial site joint with GN and CB & Q | | 16-4-1-68B | 043 | |
| | | Billings | MT | Equipment | NP | 614-A-54 | | G845 | Retirement | 1955 | 1955 | retire shaper, transfer to Tacoma | | 17-3-1-68A | 014 | |
| | | Billings | MT | Buildings | NP | | | G846 | Construction | 1955 | 1969 | construct warehouse, replace roof at Interstate Beer | | 17-3-1-68A | 015 | |
| | | Billings | MT | Spur | NP | 222-55 | | G847 | Construction | 1955 | 1955 | for Massey, Harris and Ferguson | | 17-3-1-68A | 016 | |
| | | Billings | MT | Spur | NP | 11A-55 | | G850 | Relay | 1955 | 1955 | lead to Great Western Sugar, joint with CB & Q | | 17-3-1-68A | 019 | |
| | | Billings | MT | Equipment | NP | 78-55 | | G852 | Retirement | 1955 | 1955 | acquired new office equipment | | 17-3-1-68A | 020 | |
| | | Billings | MT | Roadway | NP | | | G871 | Construction | 1955 | 1955 | extend Charles St for Ziegler Lumber Co | | 17-3-1-68A | 034 | |
| | | Billings | MT | Legal action | NP | | | G873 | Defense | 1955 | 1955 | Accident at Carter Oil crossing; case dismissed | | 17-3-1-68A | 037 | |
| | | Billings | MT | Spur | NP | 648-55 | | G878 | Construction | 1955 | 1965 | for Building Services and Boise Cascade | | 17-3-1-68A | 041 | |
| | | Billings | MT | Spur | NP | 516-55 | | G885 | Extension | 1955 | 1956 | includes culvert extension for Ryan Groc | | 17-3-1-68A | 044 | |
| | | Billings | MT | Drainage | NP | | | G885 | Upgrade | 1955 | 1957 | includes new bridge on Shepard Branch | | 17-3-1-68A | 045 | |
| | | Billings | MT | Facilities | NP | 301-56 | FCR | G902 | Upgrade | 1956 | 1956 | Install 12 inch water line to serve Industrial site | | 16-3-1-45B | 008 | |
| | | Billings | MT | Overpass | NP | | | G904 | Construction | 1956 | | Highway Department proposal for 4 lane highway overpass (over RR) | | 16-3-1-45B | 009 | |
| | | Billings | MT | Spur | NP | 352-56 | FCR | G905 | Construction | 1956 | 1956 | to serve Independent Wholesale Grocers Inc. | | 16-3-1-45B | 010 | |
| | | Billings | MT | Spur | NP | 21-57 | FCR | G914 | Construction | 1956 | 1957 | For O. E. Lee; includes bridge removal | | 16-3-1-45B | 018 | |
| | | Billings | MT | Building | NP | 211-56 | FCR | G919 | Remodel | 1956 | 1956 | Changes in roundhouse to serve NPT | | 16-3-1-45B | 021 | |
| | | Billings | MT | Spur | NP | | | G936 | Notification | 1956 | 1956 | Proposal by Lumber Enterprises Inc | | 16-3-1-45B | 033 | |
| | | Billings | MT | Spur | NP | 70-49 | | G944 | Construction | 1956 | 1970 | For Great Western Sugar Co (includes AFE 120-68) | | 16-3-1-45B | 039 | |
| | | Billings | MT | Facilities | NP | 119-57 | | G833 | Construction | 1956 | 1957 | new turntable curb | | 17-3-1-68A | 004 | |
| | | Billings | MT | Facilities | NP | | | G879 | Construction | 1956 | 1957 | utilities and infrastructure for industrial site | | 17-3-1-68A | 040 | |
| | | Billings | MT | Track | NP | 20-57 | FCR | G943 | Construction | 1957 | 1957 | Construct cross-over at industrial site with G.N. &C.B. & Q. | | 16-3-1-45B | 038 | |
| | | Billings | MT | Facilities | NP | 88-57 | FCR | G951 | Construction | 1957 | 1958 | Build facility for handling Engine Sand | | 16-3-1-45B | 045 | |
| | | Billings | MT | Property | NP | | | G953 | Transfer | 1957 | 1962 | Easement for roadway and sewer extension to industrial sites | | 16-3-1-45B | 046 | |
| | | Billings | MT | Track | NP | 151-57 | FCR | G955 | Retirement | 1957 | 1957 | Remove House track # 4 | | 16-3-1-45B | 048 | |
| | | Billings | MT | Spur | NP | 354-57 | FCR | G957 | Construction | 1957 | 1957 | Spur track for Par Distributing Co. | | 16-3-2-68A | 001 | |
| | | Billings | MT | Spur | NP | 505-57 | | | Construction | 1957 | 1957 | Install spur Track for Great Western Sugar Co. | | 16-3-2-68A | 007 | Joint with Great Western Sugar Co. |
| | | Billings | MT | Paving | NP | 552-57 | | | Installation | 1957 | 1957 | Parking area for H.P. Transport Co. | | 16-3-2-68A | 015 | |
| | | Billings | MT | Load/unload facilities | NP | G962 | | | Notification | 1957 | 1959 | Correspondence regarding Surecrete platform | | 16-3-2-68A | 021 | |
| | | Billings | MT | Grade Crossing | NP | G967 | | | Maintenance | 1957 | 1957 | Mary Street crossing | | 16-3-2-68A | 022 | |
| | | Billings | MT | Spur | NP | G969 | | | Construction | 1957 | 1957 | Spur for Winter Hardware and Great Western Sugar | | 16-3-2-68A | 023 | |
| | | Billings | MT | Buildings | NP | G970 | | | Upgrade | 1957 | 1957 | Placing of Surecrete at Freight Building | | 16-3-2-68A | 024 | |
| | | Billings | MT | Track | NP | 52-59 | | G-1005 | Relay | 1957 | 1960 | At Great Western Sugar Co | | 17-3-2-13B | 018 | |
| | | Billings | MT | Spur | NP | 135-58 | FCR | G920 | Construction | 1958 | 1958 | For Midland Implement Co. | | 16-3-1-45B | 022 | |
| | | Billings | MT | Facilities | NP | 15-58 | FCR | G941 | Upgrade | 1958 | 1958 | Washing and Refueling Platform at NP Transport Garage | | 16-3-1-45B | 036 | |
| | | Billings | MT | Property | NP | 712-57 | | G961 | Sold | 1958 | 1958 | Relocating fence in stock yard for sale to State of Montana | | 16-3-2-68A | 005 | |
| | | Billings | MT | Load/unload facilities | NP | 115-58 | | | Upgrade | 1958 | 1958 | Pave portion of stockyard | | 16-3-2-68A | 009 | |
| | | Billings | MT | Spur | NP | 373-58 | | | Installation | 1958 | 1958 | Reinstall Track on Limrock Trestle at Great Western Sugar Co. Plant | | 16-3-2-68A | 011 | |
| | | Billings | MT | Roadway | NP | 417-61 | | | Construction | 1958 | 1963 | Highway underpass. See Notes | | 16-3-2-68A | 030 | Joint Operation with Great Northern and Chicago Burlington and Quincy |
| | | Billings | MT | Load/unload facilities | NP | | | G993 | Reconstruction | 1958 | 1958 | Renew a portion of the Carter ramp (old brickyard spur), including reconstruction of retaining wall | | 17-3-2-13B | 001 | |
| | | Billings | MT | Load/unload facilities | NP | 483-67 | | G996 | Upgrade | 1958 | 1967 | for United Building Centers use in unloading lumber cars, included plank crossing | | 17-3-2-13B | 004 | |
| | | Billings | MT | Spur | NP | | | G 997-A | Notification | 1958 | 1960 | Agreement for Montana Power Co spur for Bird steam plant | | 17-3-2-13B | 009 | |
| | | Billings | MT | Spur | NP | 71-969 | | G 997-A | Construction | 1958 | 1967 | Spur from Montana Power Co tracks | | 17-3-2-13B | 011 | |
| | | Billings | MT | Equipment | NP | | | G-998 | Upgrade | 1958 | 1960 | Replace gas burners after power plant explosion | | 17-3-2-13B | 015 | |
| | | Billings | MT | Track | NP | 32-60 | FCR | G1017 | Relay | 1960 | 1961 | Relay cross-over and West Ladder Track of New Yard Including 7 turnouts | | 16-3-1-13B | 011 | |
| | | Billings | MT | Station | NP | 443-61 | FCR | G1020 | Remodel | 1960 | 1961 | Passenger Station Waiting Room & Ticket Office | | 16-3-1-13B | 014 | |
| | | Billings | MT | Equipment | NP | 193-60 | FCR | G1025 | Installation | 1960 | 1960 | Install mechanical Refrigeration in Freight House | | 16-3-1-45A | 001 | |
| | | Billings | MT | Track | NP | 330-60 | | | Relay | 1960 | 1960 | to Livingston Tangent 11 & 12 | | 16-3-1-68A | 006 | Joint Operation with Great Northern and Chicago Burlington and Quincy |
| | | Billings | MT | Spur | NP | 370-60 | | | Extension | 1960 | 1960 | Great Western Sugar Co | | 16-3-1-68A | 007 | Joint Operation with Great Northern and Chicago Burlington and Quincy |
| | | Billings | MT | Irrigation Ditch | NP | G1039 | | | Easement | 1960 | 1962 | State of Montana proposed easement on NP right of way for irrigation ditch | | 16-3-1-68A | 009 | |
| | | Billings | MT | Overpass | NP | 124-64 | | | Construction | 1960 | 1965 | NP assumed 10% of construction costs | | 16-3-1-68A | 010 | Joint Operation with Great Northern and Chicago Burlington and Quincy |
| | | Billings | MT | Grade Crossing | NP | 527-60 | | | Installation | 1960 | 1961 | Install Automatic Flashing light at crossing | | 16-3-1-68A | 015 | Joint Operation with Great Northern and Chicago Burlington and Quincy |
| | | Billings | MT | Buildings | NP | | | G994 | Upgrade | 1960 | 1960 | Order adapters for exhaust fan system at NP Transport garage | | 17-3-2-13B | 002 | |
| | | Billings | MT | Spur | NP | 70-70, 163-60 | | G 997 | Upgrade | 1960 | 1971 | Extend Montana Power Co spur | | 17-3-2-13B | 013 | |
| | | Billings | MT | Survey | BN | 163-60 | | G 997-A | Notification | 1960 | 1971 | Alternatives for industry track configuration | | 17-3-2-13B | 014 | |
| | | Billings | MT | Track | NP | 20-61 | FCR | G1026 | Installation | 1961 | 1961 | Install crossover near Continental Oil Co. Spur | | 16-3-1-45A | 002 | |