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U.S. Route 395 (US 395) is a United States Numbered Highway that runs from California to the inland regions of Oregon and Washington.It travels north–south through Washington, including long concurrencies with Interstate 82 (I-82) and I-90, and connects the Tri-Cities region to Spokane and the Canadian border at Laurier.
US 395 developed into a parallel of its parent route when it was extended south through Oregon in 1935. [24] [25] In Oregon, it replaced most of Oregon Route 11. [26] The Washington section followed the northernmost section of the Inland Empire Highway, a state road that was developed in the 1910s. [2]
Currently, the WSDOT considers the corridor a spur of US 395 and refers to the roadway as "Future US 395" on its official state highway maps and roadway guide signs. The ultimate route of the highway runs from I-90, just east of Downtown Spokane, northward about 10.5 miles (16.9 km) meeting the existing US 395 at Wandermere, just north of Spokane.
State Route 231 (SR 231) begins at SR 23 0.79 miles (1.27 km) north of Sprague and a diamond interchange with Interstate 90 (I-90), co-signed as U.S. Route 395 (US 395). [1] [3] SR 23 is the "parent" or main route of SR 231 and travels northwest to Harrington and south to Downtown Sprague, spanning 66.00 miles (106.22 km), 8.97 miles (14.44 km) shorter than SR 231. [1]
SR 17 on the shores of Lake Lenore, passing through the Grand Coulee on a highway built in the 1930s.. SR 17 was established during the 1964 highway renumbering as the successor to three highways that were designated under the primary and secondary state highway system: SSH 11G from US 395 and PSH 11 in Eltopia to PSH 7 in Soap Lake, a branch of PSH 7 from Soap Lake to US 2 and PSH 2 west of ...
The United States Numbered Highway System in Washington covers 1,870 miles (3,009.5 km) and consists of eight highways, divided into four primary routes and four auxiliary routes. The United States Numbered Highway System was approved and established on November 11, 1926 by the American Association of State Highway Officials (AASHO) and ...
The U.S. state of Washington has over 7,000 miles (11,000 km) of state highways maintained by the Washington State Department of Transportation (WSDOT). [1] The highway system is defined through acts by the state legislature and is encoded in the Revised Code of Washington as State Routes (SR).
State highways in 1970: primary in red and secondary in purple. Primary State Highways were major state highways in the U.S. state of Washington used in the early 20th century. They were created as the first organized road numbering system in the state in stages between 1905 and 1937 and used until the 1964 state highway renumbering. These ...