IDAHO
IDGenWeb
RPO | Dates | Comments |
| ASHTON & IDAHO FALLS | 1906-1907 | |
| ASHTON & POCATELLO | 1912-1914 | |
| ASHTON & SALT LAKE CITY | 1914-1916 | |
| ASHTON & VICTOR | 1914-1915 | |
| BLACKFOOT & MACKAY | 1902-1904 | |
| 1904-1937 | ||
| 1940-1942 | ||
| BOISE & HUNTINGTON | 1909-1916 | |
| BOISE & NAMPA | 1896-1908 | |
| 1916-1917 | ||
| BOISE & WEISER | 1908-1909 | |
| BOVILL & PALOUSE | 1908-1918 | |
| BURKE & SPOKANE FALLS | 1889-1890 | |
| BUTTE & OGDEN | 1894-1897 | |
| BUTTE & SALT LAKE CITY | 1897-1917 | |
| 1918-1967 | ND/SD at POCATELLO | |
| BUTTE & SEATTLE | 1914-1955 | ED/WD at SPOKANE |
| WD discontinued 1953 | ||
| BUTTE & SPENCER | 1917-1918 | |
| BUTTE CITY & OGDEN | 1882-1882 | AGT then RPO |
| 1885-1894 | route changed 1891 | |
| CHEYENNE & HUNTINGTON | 1890-1899 | |
| CHEYENNE & POCATELLO | 1899-1917 | |
| COEUR D'ALENE & SPOKANE | 1902-1904 | |
| COEUR D'ALENE & SPOKANE | 1907-1915 | electric trolley route |
| 1917-1940 | electric trolley route | |
| COUNCIL & WEISER | 1903-1907 | |
| DEER LODGE CITY & OGDEN | 1882-1883 | |
| EASTPORT & SPOKANE | 1907-1954 | |
| EVERGREEN & WEISER | 1907-1911 | |
| FRANKLIN & OGDEN | 1874-1880 | AGT |
| GARRISON & OGDEN | 1883-1885 | |
| GARRISON JUNCTION & OGDEN | 1883-1883 | |
| GLASGOW & SPOKANE | 1909-1909 | ED/WD at WHITEFISH |
| GRANGER & HUNTINGTON | 1884-1884 | |
| 1884-1886 | ||
| GRANGER & ONTARIO STATION | 1884-1884 | |
| GRANGER & SHOSHONE | 1883-1884 | |
| GRANGER & WEISER STATION | 1884-1884 | |
| GRANGEVILLE & LEWISTON | 1909-1955 | |
| GRANGEVILLE & WEISER | 1937-1950 | train and bus route |
| GREEN RIVER & HUNTINGTON | 1886-1890 | |
| GREEN RIVER & POCATELLO | 1917-1934 | |
| GREEN RIVER & PORTLAND | 1934-1967 | ED/MD at POCATELLO |
| MD/WD at BAKER | ||
| HAVRE & SPOKANE | 1896-1909 | |
| 1909-1917 | ||
| HAYDEN LAKE & SPOKANE | 1915-1917 | electric trolley route |
| HELENA & PORTLAND | 1883-1883 | |
| 1885-1888 | route changed 1887 | |
| then ED/WD at SPOKANE FALLS | ||
| HELENA & SPOKANE | 1891-1899 | |
| HELENA & SPOKANE FALLS | 1883-1884 | |
| 1889-1891 | ||
| HERON & WALLULA | 1884-1885 | |
| KALISPELL & SPOKANE | 1893-1896 | |
| KETCHUM & SHOSHONE | 1884-1893 | |
| 1908-1942 | ||
| LEWISTON & AYER | 1954-1955 | |
| LEWISTON & HAAS | 1928-1933 | |
| LEWISTON & RIPARIA | 1908-1925 | |
| 1927-1928 | ||
| 1933-1954 | ||
| MALAD CITY & BRIGHAM | 1914-1921 | |
| 1932-1943 | ||
| MALAD CITY & SALT LAKE CITY | 1906-1914 | |
| 1921-1932 | ||
| MANDAN & SPOKANE FALLS | 1888-1889 | ED/MD at FORSYTH |
| MD/WD at HELENA | ||
| MARYSVILLE & IDAHO FALLS | 1907-1909 | |
| MARYSVILLE & POCATELLO | 1909-1912 | |
| MCCALL & NAMPA | 1914-1948 | |
| MILES CITY & SEATTLE | 1934-1967 | ED/MD at HELENA or BUTTE |
| MD/WD at SPOKANE | ||
| MILES CITY & SPOKANE | 1909-1934 | ED/WD at HELENA |
| MINIDOKA & BLISS | 1913-1913 | |
| 1919-1920 | ||
| MINIDOKA & BUHL | 1908-1914 | |
| 1930-1955 | ||
| MINIDOKA & TWIN FALLS | 1905-1908 | |
| MISSOULA & ELLENSBURG | 1910-1914 | ED/WD at MALDEN |
| MISSOULA & WALLACE | 1900-1941 | |
| MOSCOW & AYER | 1951-1955 | |
| MOSCOW & CONNELL | 1887-1888 | |
| MOSCOW & HAAS | 1926-1951 | |
| MOSCOW & PALOUSE JUNCTION | 1886-1887 | |
| MULLAN & SPOKANE FALLS | 1890-1891 | |
| MULLAN & TEKOA | 1892-1893 | |
| NEW MEADOWS & WEISER | 1911-1937 | |
| PEND D'OREILLE & WALLULA | 1882-1883 | |
| PLUMMER & MARENGO | 1915-1918 | |
| POCATELLO | Transfer Office | |
| POCATELLO & BAKER | 1917-1934 | |
| POCATELLO & BOISE | 1911-1914 | |
| POCATELLO & BUHL | 1914-1930 | |
| POCATELLO & MACKAY | 1904-1904 | |
| POCATELLO & PARMA | short run of POCATELLO & PORTLAND | |
| POCATELLO & PORTLAND | 1899-1917 | |
| PRESTON & CACHE JUNCTION | 1893-1893 | |
| 1918-1943 | ||
| PRESTON & OGDEN | 1891-1893 | |
| 1893-1897 | ||
| PRESTON & SALT LAKE CITY | 1897-1897 | |
| 1907-1918 | ||
| PULLMAN & GENESEE | 1902-1907 | |
| RAWLINS & POCATELLO | 1917-1917 | |
| RED ROCK & OGDEN | 1880-1881 | AGT |
| RUPERT & BLISS | 1913-1919 | |
| 1920-1921 | ||
| SAINT ANTHONY & IDAHO FALLS | 1900-1903 | |
| SAINT ANTHONY & SALT LAKE CITY | 1903-1906 | |
| SAINT MARIES & ELK RIVER | 1911-1913 | |
| 1914-1916 | ||
| 1917-1931 | ||
| SAINT PAUL & SPOKANE | 1899-1909 | 1D/2D at JAMESTOWN |
| 2D/3D at MILES CITY | ||
| 3D/4D at HELENA | ||
| SALMON & BLACKFOOT | 1937-1940 | train and bus route |
| SHOSHONE & HILL CITY | 1913-1917 | |
| SPENCER & SALT LAKE CITY | 1917-1918 | |
| SPOKANE & ELK RIVER | 1913-1914 | |
| 1916-1917 | ||
| SPOKANE & GENESEE | 1891-1891 | |
| 1896-1898 | ||
| 1907-1916 | ||
| SPOKANE & JULIAETTA | 1891-1896 | |
| SPOKANE & LEWISTON | 1898-1955 | |
| SPOKANE & MOSCOW | 1911-1939 | electric trolley route |
| SPOKANE FALLS & GENESEE | 1888-1891 | |
| STITES & LEWISTON | 1901-1955 | |
| STUART & LEWISTON | 1900-1901 | |
| TERMINUS & OGDEN | 1880-1880 | AGT |
| TERMINUS in Idaho then Montana | ||
| 1881-1882 | AGT | |
| TERMINUS in Montana | ||
| TWIN FALLS & ROGERSON | 1915-1927 | |
| VICTOR & IDAHO FALLS | 1919-1941 | |
| 1946-1956 | ||
| VICTOR & OGDEN | 1917-1919 | |
| VICTOR & POCATELLO | 1941-1946 | |
| VICTOR & SALT LAKE CITY | 1916-1917 | |
| VOLLMER & LEWISTON | 1908-1909 | |
| WALLACE & HARRISON | 1910-1911 | |
| WALLACE & SPOKANE | 1896-1896 | |
| 1897-1899 | ||
| 1906-1910 | ||
| 1911-1955 | ||
| WALLACE & SPOKANE FALLS | 1890-1890 | |
| WALLACE & TEKOA | 1891-1892 | |
| 1893-1896 | ||
| 1896-1897 | ||
| 1899-1906 | ||
| WILLISTON & SEATTLE | 1934-1967 | ED/MD at SHELBY |
| MD/WD at SPOKANE | ||
| WD discontinued 1971 | ||
| WILLISTON & SPOKANE | 1917-1934 | ED/WD at SHELBY |
Contributed 2021 Oct 05 by Mark Metkin
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This page was last updated 10/14/2022