State highway in Pend Oreille County, Washington, US
State Route 31
SR 31 highlighted in red
Route information
Maintained by WSDOT
Length
26.79 mi[1] (43.11 km)
Existed
1964[2]–present
Tourist routes
International Selkirk Loop
North Pend Oreille Scenic Byway
Major junctions
South end
SR 20 in Tiger
North end
Hwy 6 at Canada–US border near Metaline Falls
Location
Country
United States
State
Washington
County
Pend Oreille
Highway system
State highways in Washington
Interstate
US
State
Scenic
Pre-1964
1964 renumbering
Former
← SR 28
→ SR 35
A section of Washington State Route 31 in Colville National Forest.
State Route 31 (SR 31) is a Washington state highway located entirely in Pend Oreille County. The highway, which is 26.79 miles (43.11 km) long, starts at an intersection with SR 20 in Tiger and travels north to the Canada–US border north of Metaline Falls. At the border, SR 31 becomes British Columbia Highway 6 (BC 6). The route parallels the Pend Oreille River for most of its route and the primary functions of the highway is to serve and connect Tiger, Ione, Metaline and Metaline Falls with British Columbia.
Before 1964, the route from Newport to BC 6 was the northernmost section of Primary State Highway 6, which ran from Spokane to BC 6. Originally created in 1964, SR 31 extended southeast to an intersection with U.S. Route 2 (US 2, formerly US 195) in Newport. The North Cascades Highway (SR 20) was extended to Newport in 1973 and SR 31 from Newport to Tiger became SR 20. SR 31 had one auxiliary route, SR 311, which became SR 211 after SR 20 was extended.
^Strategic Planning and Programming Division (March 5, 2007). State Highway Log Planning Report 2006, SR 2 to SR 971 (PDF) (Report). Washington State Department of Transportation. Retrieved March 22, 2009.
^"RCW 47.17.130: State Route 31". Washington State Legislature. Retrieved December 4, 2008.
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Global Information
SR 20 in Tiger
Hwy 6 at Canada–US border near Metaline Falls
