A collection of roadways in the U.S. state of Washington
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State Highways in Washington
Standard route signage in Washington
Map of Washington's highways
System information
Length
7,000 mi (11,000 km)
Notes
Defined by RCW 47.17;[1] maintained by WSDOT
Highway names
Interstates
Interstate X (I-X)
US Highways
U.S. Route X (US X)
State
State Route X (SR X)
System links
State highways in Washington
Interstate
US
State
Scenic
Pre-1964
1964 renumbering
Former
The State Highways of Washington in the U.S. state of Washington comprise a network of over 7,000 miles (11,270 km) of state highways, including all Interstate and U.S. Highways that pass through the state, maintained by the Washington State Department of Transportation (WSDOT). 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).
^Cite error: The named reference shr was invoked but never defined (see the help page).
^Staff (2006). State Highway Log (PDF) (Report). Washington State Department of Transportation. Archived from the original (PDF) on April 10, 2008. Retrieved May 26, 2012.
^Staff (2006). Annual Mileage and Travel Information (Report). Washington State Department of Transportation. Retrieved May 26, 2012.
^Cite error: The named reference classification was invoked but never defined (see the help page).
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