| U.S. Highways of the Idaho State Highway System | |
|---|---|
Highway markers for U.S. Highways 2, 95, and 195 | |
| System information | |
| Maintained by ITD | |
| Highway names | |
| Interstates | Interstate n (I-n) |
| US Highways | U.S. Highway n (US-n) |
| State | Idaho State Highway n (SH-n) |
| System links | |
| |
The U.S. Highways in Idaho are the segments of the United States Numbered Highway System owned and maintained by the Idaho Transportation Department (ITD) in the U.S. state of Idaho.
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Transcription
Mainline highways
| Number | Length (mi)[1] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 US 2
|
80.152 | 128.992 | US 2 / SH-41 in Oldtown | US 2 near Moyie Springs | 1926 | current | ||
 US 10
|
193.23 | 310.97 | US 10 in State Line | US 10 at Lookout Pass | 1926 | 1977 | Replaced by I-90 | |
 US 12
|
174.210 | 280.364 | US 12 in Lewiston | US 12 at Lolo Pass | 1962 | current | ||
 US 20
|
406.300 | 653.876 | US 20 / US 26 near Parma | US 20 near West Yellowstone, MT | 1940 | current | ||
 US 26
|
402.500 | 647.761 | US 20 / US 26 near Parma | US 26 near Alpine, WY | 1952 | current | ||
 US 30
|
455.481 | 733.026 | US 30 near Fruitland | US 30 near Montpelier | 1926 | current | ||
 US 30N
|
— | — | — | — | — | — | ||
| US 30N
|
— | — | — | — | — | — | ||
 US 30S
|
— | — | — | — | — | — | ||
 US 89
|
44.24 | 71.20 | US 89 near Fish Haven | US 89 near Geneva | 1939 | current | ||
 US 91
|
122.866 | 197.734 | US 91 near Preston | US 26 in Idaho Falls | 1926 | current | ||
 US 93
|
350.819 | 564.588 | US 93 near Jackpot, NV | US 93 at Lost Trail Pass | 1926 | current | ||
 US 95
|
538.562 | 866.732 | US 95 near Homedale | BC 95 near Eastport | 1926 | current | ||
 US 95E
|
— | — | — | — | — | — | ||
 US 95W
|
— | — | — | — | — | — | ||
 US 191
|
— | — | US 191 near Malad City | US 191 at Targhee Pass | 1926 | 1978 | Replaced by I-15 | |
 US 195
|
0.577 | 0.929 | US 95 near Lewiston | US 195 near Lewiston | 1979 | current | ||
 US 287
|
— | — | US 287 at Raynolds Pass | US 287 at Targhee Pass | — | — | Replaced by SH-87 | |
 US 410
|
3 | 4.8 | US 410 in Lewiston | US 95 in Lewiston | 1926 | 1967 | Replaced by US-12 | |
 US 630
|
— | — | US 630 near Weiser | US 95 in Weiser | 1928 | 1931 | Replaced by US-95 Spur | |
| ||||||||
Special routes
| Number | Length (mi)[1] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 US 10A
|
62.648 | 100.822 | US 10A in Newport, WA | US 10A near Heron | 1941 | 1967 | Replaced with SH-200 and US-2 | |
 US 10 Bus.
|
— | — | — | — | — | — | ||
| US 20 Bus.
|
3.640 | 5.858 | — | — | — | — | Serves Idaho Falls | |
| US 20 Bus.
|
1.684 | 2.710 | — | — | — | — | Serves Rigby | |
| US 20 Bus.
|
2.879 | 4.633 | — | — | — | — | Serves St. Anthony | |
 US 20 Spur
|
— | — | — | — | — | — | Serves Boise | |
| US 26 Bus.
|
2.981 | 4.797 | — | — | — | — | Serves Ririe | |
| US 30 Bus.
|
— | — | — | — | — | — | Serves Pocatello | |
| US 30 Bus.
|
10.270 | 16.528 | — | — | — | — | Serves Lava Hot Springs | |
| US 91 Bus.
|
— | — | — | — | — | — | Serves McCammon | |
| US 91 Bus.
|
— | — | — | — | — | — | Serves Inkom | |
 US 93 Alt.
|
— | — | — | — | — | — | ||
| US 93 Bus.
|
8.110 | 13.052 | — | — | — | — | Serves Twin Falls | |
| US 93 Spur
|
0.91 | 1.46 | — | — | — | — | Serves Twin Falls | |
| US 93 Spur
|
0.391 | 0.629 | — | — | — | — | Serves Challis | |
| US 95 Bus.
|
1.420 | 2.285 | — | — | — | — | Serves Cottonwood | |
| US 95 Bus.
|
1.757 | 2.828 | — | — | — | — | Serves Craigmont | |
| US 95 Bus.
|
4.021 | 6.471 | — | — | — | — | Serves Winchester | |
| US 95 Bus.
|
— | — | — | — | — | — | Serves Bonners Ferry | |
| US 95 Spur
|
— | — | — | — | — | — | Serves Payette | |
| US 95 Spur
|
2.332 | 3.753 | — | — | — | — | Serves Weiser | |
| US 95 Spur
|
0.552 | 0.888 | — | — | — | — | Connects to US 195 | |
| ||||||||
See also
References
- ^ a b "Milepoint Logs". Idaho Transportation Department. Retrieved February 15, 2017.
External links
Media related to U.S. Highways in Idaho at Wikimedia Commons
This page was last edited on 1 April 2024, at 15:36