Idaho State Highway 8

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State Highway 8 marker

State Highway 8
Route information
Maintained by ITD
Length: 53.589 mi[1][2] (86.243 km)
Major junctions
West end: SR 270 in Moscow
East end: 1st Street and Main Street in Elk River
Highway system

State Highways in Idaho

SH-7 SH-9

State Highway 8 (SH-8) is an Idaho state highway in Latah and Clearwater counties, running from the Washington state line in Moscow to Elk River. It is 53.589 miles (86.24 km) in length, and runs primarily east–west.

Route description[edit]

SH-8 begins at the Washington state line, connecting with Washington State Route 270 to Pullman. Between the cities to the north is the Pullman-Moscow Regional Airport. The two state highways comprise the "Moscow-Pullman Highway" in the 8 miles (13 km) between the two university cities.

In Moscow, Highway 8 runs east along the northern boundary of the University of Idaho campus as Pullman Road, enters an "S" curve and becomes Third Street. It briefly overlaps US 95, and runs south through the city center (one ways: Jackson St. southbound and Washington St. northbound; a block on either side of Main). South of downtown Moscow, SH-8 branches east to become the "Troy Highway" and heads out to Troy, where it intersects SH-99. East of Troy, SH-8 heads generally northeast, intersecting SH-9 shortly before entering Deary and overlapping SH-3 in Deary. From Deary, the overlapping highways run east and northeast to Bovill, where they diverge.[1][2][3]

From Bovill, SH-8 heads south and southeast into Clearwater County. It then turns east and northeast into Elk River, where it ends at the intersection of 1st and Main Streets.[1]

Associated trails[edit]

For non-motorized traffic, Highway 8 is paralleled to the south by a series of paved trails from the state line to Troy, on former railroad corridors. The Bill Chipman Palouse Trail originates in Pullman and terminates a mile into Idaho at Perimeter Road.[4] There it links with the Paradise Path, which runs along the north and east edges of the UI campus and connects to the Latah Trail in southeast Moscow.[5][6]

Major intersections[edit]

County Location mi[1][2][3] km Destinations Notes
Latah Moscow 0.000 0.000 SR 270 west – Pullman Washington state line
1.797 2.892 US-95 north (Washington Street) – Potlatch, Coeur d'Alene west end of US-95 overlap
2.331 3.751 US-95 south – Lewiston east end of US-95 overlap
Troy 14.572 23.451 SH-99 south
25.549 41.117 SH-9 north – Potlatch
Deary 26.317 42.353 SH-3 south – Kendrick west end of SH-3 overlap
Bovill 36.310 58.435 SH-3 north – St. Maries, Coeur d'Alene east end of SH-3 overlap
Clearwater Elk River 53.589 86.243 1st Street / Main Street - Orofino via Dent Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

Route map: Bing / Google

KML is from Wikidata


  1. ^ a b c d Staff (November 26, 2008). "Milepost Log, State Highway 8". Idaho Transportation Department. Retrieved December 28, 2008. 
  2. ^ a b c Staff (November 26, 2008). "Milepost Log, U.S. Route 95". Idaho Transportation Department. Retrieved December 28, 2008. 
  3. ^ a b Staff (November 26, 2008). "Milepost Log, State Highway 3". Idaho Transportation Department. Retrieved December 28, 2008. 
  4. ^ Bill Chipman Palouse Trail (PDF) (Map). Whitman County Parks and Recreation. Retrieved September 1, 2012. 
  5. ^ Staff. "Latah Trail". Latah Trail Foundation. Retrieved September 1, 2012. 
  6. ^ Staff. "Parks and Trails". Latah County Parks & Recreation. Retrieved September 1, 2012.