| Datum | Gesellschaft | Strecke | Spurweite (mm) |
|---|---|---|---|
| 21. Juli 1898 | Pacific and Arctic Railway and Navigation | Skagway–Boulder | 914 |
| nach 1897 | Apollo Consolidated Mining Company | Sand Point–Mine | 914 |
| Mitte Februar 1899 | White Pass and Yukon Railway | Boulder–White Pass (Grenze nach BC) | 914 |
| Juli 1900 | Wild Goose RailroadI | Nome–Anvil City | 914 |
| 1900 | Cook Inlet Coal Field Railroad | Homer–Mine | 914 |
| ca. 1901 | Wild Goose RailroadI | Anvil City–Shelton | 914 |
| 1902 | Katalla Coal Company Railroad | Katalla–Mine | 1435 |
| 1902 | Treadwell Mine Railroad | Treadwell–Mine | 1435 |
| ca. 1902 | Wild Goose RailroadII | Council City–Ophir Creek | 914 |
| 1903 | Council City and Solomon River Railroad | Dickson–Penelope Creek | 1435 |
| 1904 | Yakutat and Southern Railroad | Yakutat–Situk / Lost River | 1435 |
| 17. Juli 1905 | Tanana Mines Railway | Chena–Fairbanks | 914 |
| September 1905 | Tanana Mines Railway | Fairbanks–Gilmore | 914 |
| ca. 1905 | Alaska Marble Company | auf Prince of Wales Island | 1435 |
| ca. 1905 | Rush and Brown Copper Mine Company | auf Prince of Wales Island (Kaasan-Halbinsel) | 914 |
| ca. 1906 | Alaska Central Railway | Seward–Grandview, weitere Fertigstellung bis zum Spencer Loop | 1435 |
| 29. September 1907 | Tanana Valley Railroad | Gilmore–Chatanika | 914 |
| 1907 | Alaska Home Railroad | Valdez–Keystone Canyon | 1435 |
| 1910 | Alaska Northern Railway | Grandview–Kern Creek | 1435 |
| 29. März 1911 | Copper River and Northwestern Railway | Cordova–Kennicott | 1435 |
| 1911 | Alaska Juneau Gold Mine Railroad | Juneau–Mine | 1435 |
| 1913 | Salmon Creek Railroad | Juneau–Mine | 1435 |
| 1914 | Alaska Gastineau Mining Company Railroad | Juneau–Mine | 914 |
| 24. Oktober 1917 | Alaska Engineering Commission Railroad | Kern Creek–Chickaloon | 1435 |
| 1917 | Alaska Anthracite Coal and Railway | Point Martin–MacDonald Mine | 1435 |
| 4. März 1919 | Alaska Engineering Commission Railroad | Matanuska–Talkeetna | 1435 |
| 7. November 1919 | Alaska Engineering Commission Railroad | Happy–Nenana | 914 (bis 1923), 1435 |
| Februar 1922 | Alaska Engineering Commission Railroad | Talkeetna–Nenana | 1435 |
| Anfang Juni 1923 | Alaska Engineering Commission Railroad | Nenana–Nenana nördl. Brückenkopf | 1435 |
| Juni 1943 | Alaska Railroad | Portage–Whittier | 1435 |
| 1975 | Alaska Railroad | Valdez–Pipeline | 1435 |
| unbekannt | Alaska Pulp Corporation | Sitka–Mine | 1435 |
Kanada: AB – BC – MB – NB – NF – NS – NT – ON – PEI – PQ – SK – YK
USA: AK – AL – AR – AZ – CA – CO – CT – DC – DE – FL – GA – HI – IA – ID – IL – IN – KS – KY – LA – MA – MD – ME – MI – MN – MO – MS – MT – NC – ND – NE – NH – NJ – NM – NV – NY – OH – OK – OR – PA – RI – SC – SD – TN – TX – UT – VA – VT – WA – WI – WV – WY
Übrige Staaten: AG – BDS – BMD – C – CR – DOM – ES – GCA – GP – HN – JA – KAN – MEX – MQ – NC – PA – PRI – RH – TT – WL