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The state recorded 674 traffic fatalities in 2021 and 743 in 2022 with preliminary estimates for 2023 showing the death toll eclipsing 800, according to data compiled by the Washington Traffic ...
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).
The first segment of what is now US 97 in Washington to be included in the state highway system was a road extending from Wenatchee to Twisp, designated in 1897. Since, four early highways formed the modern route of the roadway: State Road 8, State Road 3, State Road 2 and State Road 10, all signed in 1923.
[18] [19] [20] SR 22 remained unchanged through a 1923 restructuring of the state road system, [21] [22] but was extended north to the Canadian border at Boundary in 1931. [ 23 ] [ 24 ] [ 25 ] In 1937, SR 22 became Primary State Highway 22 (PSH 22) and the northern terminus was realigned to end northwest of Northport , while the old route ...
Every year the Washington State Department of Transportation (WSDOT) conducts a series of surveys on its highways in the state to measure traffic volume. This is expressed in terms of annual average daily traffic (AADT), which is a measure of traffic volume for any average day of the year. In 2009, WSDOT calculated that as few as 1,000 cars ...
A snow shed, constructed in 1950 when the road was known as US 10, formerly covered the westbound lanes, but it has been replaced by avalanche bridges that stand away from the slope to allow slides to pass under the road, as of April 2014. [9] WSDOT maintains cameras at selected locations along the pass to monitor weather conditions. Some of ...
State Route 20 (SR 20), also known as the North Cascades Highway, is a state highway that traverses the U.S. state of Washington.It is the state's longest highway, traveling 436 miles (702 km) across the northern areas of Washington, from U.S. Route 101 (US 101) at Discovery Bay on the Olympic Peninsula to US 2 near the Idaho state border in Newport.
The system spans 8.5% of the state's public road mileage, but carries over half of the traffic. [2] [3] All other public roads in the state are either inside incorporated places (cities or towns) or are maintained by the county. [4] The state highway symbol is a white silhouette of George Washington's head (whom the state is named after).