| Datum | Gesellschaft | Strecke | Spurweite (mm) |
|---|---|---|---|
| November 1836 | Bangor and Piscataquis Canal and Railroad | Bangor–Old Town | 1435 |
| 1839 | Calais Railroad | Calais–Salmon Falls (Milltown) | ? Pfb. |
| 21. November 1842 | Portland, Saco and Portsmouth Railroad | Portland–Saco–Kittery Junction–Grenze nach NH | 1435 |
| 23. Februar 1843 | Boston and Maine Railroad | Grenze nach NH–South Berwick (Agamenticus) | 1435 |
| 1843 | Palmer and Machiasport Railroad | Whitneyville–Machiasport | ? |
| 4. Juli 1846 | Atlantic and St. Lawrence Railroad | Portland–Yarmouth | 1676 (bis 1873), 1435 |
| Januar 1848 | Atlantic and St. Lawrence Railroad | Yarmouth–Danville | 1676 (bis 1873), 1435 |
| 3. Juli 1849 | Androscoggin and Kennebec Railroad | Danville Junction–Winthrop | 1676 (bis 1871), 1435 |
| 4. Juli 1849 | Kennebec and Portland Railroad | Yarmouth–Bath | 1435 |
| 10. Oktober 1849 | Buckfield Branch Railroad | Mechanic Falls–Buckfield | 1435 |
| 27. November 1849 | Androscoggin and Kennebec Railroad | Winthrop–Waterville | 1676 (bis 1871), 1435 |
| 8. Juni 1850 | Atlantic and St. Lawrence Railroad | Danville–Paris | 1676 (bis 1873), 1435 |
| 8. Februar 1851 | York and Cumberland Railroad of Maine | Portland–Gorham | 1435 |
| März 1851 | Atlantic and St. Lawrence Railroad | Paris–Bethel | 1676 (bis 1873), 1435 |
| Juni 1851 | St. Croix and Penobscot Railroad | Calais–Baring | 1435 |
| 23. Juli 1851 | Atlantic and St. Lawrence Railroad | Bethel–Grenze nach NH | 1676 (bis 1873), 1435 |
| August 1851 | Androscoggin Railroad | Leeds Junction–Livermore Falls | 1435 |
| Dezember 1851 | Kennebec and Portland Railroad | Brunswick–Gardiner | 1435 |
| 1851 | Kennebec and Portland Railroad | Portland–Yarmouth | 1435 |
| Januar 1852 | Kennebec and Portland Railroad | Gardiner–Augusta | 1435 |
| 15. Februar 1853 | York and Cumberland Railroad of Maine | Gorham–Bar Mills | 1435 |
| Dezember 1853 | Penobscot and Kennebec Railroad | Waterville–Kendall's Mills | 1676 (bis 1871), 1435 |
| Juli 1854 | Great Falls and South Berwick Branch Railroad | South Berwick (Jewett)–Grenze nach NH | 1435 |
| November 1854 | Penobscot and Kennebec Railroad | Kendall's Mills–Pittsfield | 1676 (bis 1871), 1435 |
| August 1855 | Penobscot and Kennebec Railroad | Pittsfield–Bangor | 1676 (bis 1871), 1435 |
| Sommer 1855 | Great Falls and Conway Railroad | Grenze nach NH bei Milton–Grenze nach NH | 1435 |
| 1854/55 | Bangor and Piscataquis Canal and Railroad | Old Town–Milford | 1435 |
| 1855 | Somerset and Kennebec Railroad | Augusta–Kendall's Mills | 1435 |
| 1856 | Androscoggin Railroad | Livermore Falls–North Jay | 1435 |
| Dezember 1857 | Somerset and Kennebec Railroad | Kendall's Mills–Waterville–Skowhegan | 1435 |
| 1857 | Androscoggin Railroad | North Jay–East Wilton | 1435 |
| Januar 1858 | Lewey's Island Railroad | Baring–Princeton | 1435 |
| Juni 1859 | Androscoggin Railroad | East Wilton–Farmington | 1435 |
| 1861 | Androscoggin Railroad | Brunswick–Leeds Junction | 1435 |
| 1861 | Androscoggin Railroad | Crowley's Junction–Lewiston Lower | 1435 |
| 1865/67 | Portland and Rochester Railroad | Bar Mills–Alfred | 1435 |
| 25. November 1868 | Dexter and Newport Railroad | Newport Junction–Dexter | 1435 |
| 1868 | European and North American Railway | Bangor–Passadumkeag | 1676 (bis 1877), 1435 |
| Dezember 1869 | Bangor and Piscataquis Railroad | Old Town–Dover | 1435 |
| 1868/69 | Houlton Branch Railroad | Houlton–Grenze nach NB | 1435 |
| 1869 | European and North American Railway | Passadumkeag–Mattawamkeag | 1676 (bis 1877), 1435 |
| 1869 | Portland and Ogdensburg Railroad | Portland–Fryeburg | 1435 |
| 1. November 1870 | Belfast and Moosehead Lake Railroad | Burnham Junction–Belfast | 1435 |
| 18. Oktober 1871 | European and North American Railway | Mattawamkeag–Vanceboro–Grenze nach NB | 1676 (bis 1877), 1435 |
| 1. November 1871 | Knox and Lincoln Railroad | Woolwich–Rockland | 1435 |
| November 1871 | Bangor and Piscataquis Railroad | Dover–Guilford | 1435 |
| 1871 | Portland and Ogdensburg Railroad | Fryeburg–Grenze nach NH | 1435 |
| 1871 | Portland and Rochester Railroad | Alfred–Grenze nach NH | 1435 |
| 1872 | Maine Central Railroad | Danville Junction–Yarmouth Royal Junction | 1435 |
| 18. November 1873 | Portland and Oxford Central Railroad | Buckfield–Gilbertville | 1435 |
| 1873 | Boston and Maine Railroad | North Berwick–Kennebunk–Old Orchard Beach–Portland | 1435 |
| 1873 | Bangor and Piscataquis Railroad | Guilford–Abbott Village | 1435 |
| 26. Januar 1874 | Somerset Railroad | Oakland–North Anson | 1435 |
| 14. Juli 1874 | Lewiston and Auburn Branch Railroad | Lewiston Junction–Lewiston GTR | 1435 |
| 12. Dezember 1874 | Bucksport and Bangor Railroad | Bangor–Bucksport | 1435 |
| 1874 | Rumford Falls and Buckfield Railroad | Canton–Steam Mills | 1435 |
| 1875 | Aroostook River Railroad | Grenze nach NB–Fort Fairfield | 1067 (bis 1881), 1435 |
| 1876 | Aroostook River Railroad | Fort Fairfield–Caribou ARR | 1067 (bis 1881), 1435 |
| Mai 1877 | Bangor and Piscataquis Railroad | Abbott Village–Blanchard | 1435 |
| 1876/77 | Orchard Beach Railroad | Old Orchard Beach–Camp Ellis | 1435 |
| 20. November 1879 | Sandy River Railroad | Farmington–Phillips | 610 |
| Dezember 1879 | Norway Branch Railroad | South Paris–Norway | 1435 |
| 2. Dezember 1881 | Aroostook River Railroad | Caribou ARR–Presque Isle ARR | 1435 |
| Dezember 1881 | Bangor and Katahdin Iron Works Railway | Milo Junction–Brownville | 1435 |
| 1877/81 | Penobscot and Lake Megantic Railroad | Mattawamkeag–Brownville Junction–Grenze nach PQ | 1435 |
| Sommer 1882 | Bangor and Katahdin Iron Works Railway | Brownville–Katahdin Iron Works | 1435 |
| 29. Januar 1883 | Bridgton and Saco River Railroad | Bridgton Junction–Bridgton | 610 |
| 18. Juni 1883 | Kennebunk and Kennebunkport Railroad | Kennebunk–Kennebunkport | 1435 |
| 22. Oktober 1883 | Monson Railroad | Monson Junction–Monson | 610 |
| 1883 | Maine Shore Line Railroad | Brewer Junction–Mount Desert Ferry | 1435 |
| 1883 | Green Mountain Railway | Bar Harbor–Green Mountain | 1422, Zrdb. |
| 10. Dezember 1884 | Franklin and Megantic Railroad | Strong–Kingfield | 610 |
| 1878/84 | Bangor and Piscataquis Railroad | Blanchard–Greenville | 1435 |
| 1. November 1886 | Sebasticook and Moosehead Lake Railroad | Pittsfield–Hartland | 1435 |
| 8. August 1887 | York Harbor and Beach Railroad | Kittery Junction–York Beach | 1435 |
| 1888 | Portland Union Railroad Station Company | Verbindungsbahn Portland | 1435 |
| Dezember 1889 | Dexter and Piscataquis Railroad | Dexter–Dover-Foxcroft | 1435 |
| 1889 | Somerset Railway | North Anson–Solon | 1435 |
| 4. Juli 1890 | Kennebec Central Railroad | Randolph–Togus National Soldiers Home | 610 |
| 1890 | Somerset Railway | Solon–Bingham | 1435 |
| 1890 | Somerset Railway | Bangs–Dodlin's Quarry | 1435 |
| Juli 1891 | Phillips and Rangeley Railroad | Phillips–Rangeley | 610 |
| Dezember 1893 | George's Valley Railroad | Warren–Union | 1435 |
| 1893 | Bangor and Aroostook Railroad | Brownville–Houlton | 1435 |
| 12. Februar 1894 | Portland and Rumford Falls Railway | Gilbertville–Rumford Falls | 1435 |
| 12. Februar 1894 | Portland and Rumford Falls Railway | Mechanicville–Rumford Junction | 1435 |
| 1. August 1894 | Kingfield and Dead River Railroad | Kingfield–Carrabasset | 610 |
| 1. Januar 1895 | Bangor and Aroostook Railroad | Houlton–Caribou | 1435 |
| 1. Januar 1895 | Bangor and Aroostook Railroad | Phair–Fort Fairfield | 1435 |
| 20. Februar 1895 | Wiscasset and Quebec Railroad | Wiscasset–Week's Mills | 610 |
| 24. September 1895 | Wiscasset and Quebec Railroad | Week's Mills–Albion | 610 |
| 1. Januar 1896 | Bangor and Aroostook Railroad | Oakfield–Ashland | 1435 |
| 20. Mai 1896 | Rumford Falls and Rangeley Lakes Railroad | Rumford Falls–Bemis | 1435 |
| 20. Mai 1896 | Rumford Falls and Rangeley Lakes Railroad | Houghton–Township E | 1435 |
| 1. September 1896 | Patten and Sherman Railroad | Patten Junction–Patten | 1435 |
| 1. September 1897 | Portland and Rumford Falls Railway | Livermore Falls–Canton | 1435 |
| 16. November 1897 | Bangor and Aroostook Railroad | Caribou–Van Buren | 1435 |
| 1. Dezember 1897 | Aroostook Northern Railroad | Caribou–Limestone | 1435 |
| 3. August 1898 | Bridgton and Saco River Railroad | Bridgton–Harrison | 610 |
| 1898 | Kingfield and Dead River Railroad | Carrabasset–Bigelow | 610 |
| 2. Januar 1899 | Washington County Railroad | Washington Junction–St. Croix Junction | 1435 |
| 2. Januar 1899 | Washington County Railroad | Ayers Junction–Eastport | 1435 |
| 1899 | Sebasticook and Moosehead Lake Railroad | Hartland–Mainstream | 1435 |
| Sommer 1902 | Madrid Railroad | Madrid Junction–Sandy River No. 6 | 610 |
| 1. September 1902 | Rumford Falls and Rangeley Lakes Railroad | Bemis–Oquossoc | 1435 |
| 15. Dezember 1902 | Fish River Railroad | Ashland–Fort Kent | 1435 |
| 1902 | Wiscasset, Waterville and Farmington Railroad | Week's Mills–Winslow | 610 |
| 1903 | Eustis Railroad | Eustis Junction–Berlin Mills | 610 |
| 20. November 1905 | Northern Maine Seaport Railroad | Northern Maine Junction–Searsport | 1435 |
| 20. November 1905 | Northern Maine Seaport Railroad | Cape Junction–Cape Jellison | 1435 |
| 1906 | Phillips and Rangeley Railroad | Rangeley–Marbles | 610 |
| 1906 | Schoodic Stream Railroad | Schoodic Junction–East Millinocket | 1435 |
| 30. Dezember 1907 | Bangor and Aroostook Railroad | Packards–South Lagrange | 1435 |
| 1903/07 | Rumford Falls and Rangeley Lakes Railroad | Oquossoc–Kennebago Farm | 1435 |
| 18. Oktober 1909 | Bangor and Aroostook Railroad | Van Buren–Grand Isle | 1435 |
| 6. Dezember 1909 | Bangor and Aroostook Railroad | Fort Kent–St. Francis | 1435 |
| 1909 | Sandy River and Rangeley Lakes Railroad | Brackett Junction–Gray Farm | 610 |
| 20. Juni 1910 | Bangor and Aroostook Railroad | Squa Pan–Stockholm | 1435 |
| 20. Juni 1910 | Bangor and Aroostook Railroad | Mapleton–Presque Isle | 1435 |
| Juni 1910 | Aroostook Valley Railroad | Washburn Junction–Presque Isle AVR | 1435 |
| 28. November 1910 | Bangor and Aroostook Railroad | Grand Isle–Fort Kent | 1435 |
| 1911 | Aroostook Valley Railroad | Presque Isle Junction–Caribou AVR | 1435 |
| 1911 | Aroostook Valley Railroad | Carson–Sweden | 1435 |
| 1905/11 | Somerset Railway | Austin Junction–Kineo | 1435 |
| unbekannt, aber vor 1911 | European and North American Railway | Enfield–Howland | 1435 |
| unbekannt, aber vor 1911 | European and North American Railway | Orono–Stillwater | 1435 |
| unbekannt, aber vor 1911 | Franklin and Megantic Railroad | Kingfield–Alder Stream | 610 |
| unbekannt, aber vor 1911 | Franklin and Megantic Railroad | Mount Abram Junction–Mount Abram | 610 |
| unbekannt, aber vor 1911 | Washington County Railway | Woodland Junction–Woodland | 1435 |
| 1912 | Sandy River and Rangeley Lakes Railroad | Perham Junction–Barnjum | 610 |
| 1912 | Maine Central Railroad | Mainstream–Harmony | 1435 |
| 1. Mai 1915 | Van Buren Bridge Company | Van Buren–Grenze nach NB | 1435 |
| 1949 | Sanford and Eastern Railroad | Sanford&Springvale–Sanford | 1435 |
Kanada: AB – BC – MB – NB – NF – NS – NT – ON – PEI – PQ – SK – YK
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Übrige Staaten: AG – BDS – BMD – C – CR – DOM – ES – GCA – GP – HN – JA – KAN – MEX – MQ – NC – PA – PRI – RH – TT – WL