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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).
It was created in 1964 to replace an earlier numbering scheme and ratified by the state legislature in 1970. The system's 196 highways are almost entirely paved, with the exception of a gravel section on SR 165. The state's Interstate and U.S. Highways are also defined as part of the state route system, but are omitted from this list.
The longest route, I-90, is 298 miles (480 km) and connects the state's two largest cities, Seattle and Spokane; the shortest is I-705 at 1.5 miles (2.4 km). [1] [8] The widest section in the state is on I-5 in Downtown Seattle, which spans 13 lanes and includes a set of reversible express lanes that change direction depending on time of the day.
The state’s Traffic Safety Commission recently announced that 745 people were killed in crashes last year. More people are dying in crashes than 30 years ago. Are WA roads historically unsafe?
Two other roads—a Cascade crossing at present State Route 410 and a branch of the first road to Wenatchee—were added in 1897. The Washington Highway Department was established in 1905, and a set of twelve State Roads, numbered from 1 to 12, were assigned. A thirteenth was added in 1907, and State Roads 14 to 18 in 1909. [1]
State Route 7 (SR 7) is a state highway in Lewis and Pierce counties, located in the U.S. state of Washington. The 58.60-mile (94.31 km) long roadway begins at U.S. Route 12 (US 12) in Morton and continues north to intersect several other state highways to Tacoma , where it ends at an interchange with Interstate 5 (I-5) and I-705 .
The highway was added to the state highway system in 1937 as Secondary State Highway 11A (SSH 11A), composed of several county-built gravel roads from Yakima to Connell, with a ferry crossing at Hanford. The Hanford section of SSH 11A was closed in 1943 due to wartime activities at the Hanford Nuclear Reservation, forcing the state government ...
State Route 8 (SR 8) is a state highway in Grays Harbor and Thurston counties, of the U.S. state of Washington. It extends 20.67 miles (33.27 km) from U.S. Route 12 (US 12) in the city of Elma, east to an interchange with US 101 about 5.90 miles (9.50 km) northwest of the state capital, Olympia. SR 8 intersects SR 108 west of McCleary.