Washington State Route 18

E169964

Washington State Route 18 is a major east–west highway in western Washington that connects the Seattle–Tacoma metropolitan area to Interstate 90 near Snoqualmie.

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All labels observed (1)

Label Occurrences
Washington State Route 18 canonical 2

Statements (46)

Predicate Object
instanceOf limited-access highway
state highway
abbreviation SR 18
category State highways in Washington (state)
Transportation in King County, Washington
Transportation in Pierce County, Washington
connectsTo Interstate 5
Interstate 90
State Route 164
State Route 167
State Route 169
State Route 99
country United States of America
surface form: United States
easternTerminus Interstate 90 near Snoqualmie
function regional connector between Seattle–Tacoma area and Interstate 90
hasDirectionA West
hasDirectionB East
hasJunctionWith State Route 164 near Auburn
State Route 167
surface form: State Route 167 in Auburn

State Route 169 near Maple Valley
highwaySystem Washington State Routes
surface form: Washington State Route system
isKnownFor collision history, especially near Tiger Mountain (historically)
heavy traffic volumes
isPartially expressway
freeway
locatedIn King County
surface form: King County, Washington

Pierce County
surface form: Pierce County, Washington

Snoqualmie Valley region
western Washington
maintainedBy Washington State Department of Transportation
openedAs series of segments built over multiple decades
orientation east–west
partOfMetropolitanArea Seattle–Tacoma urban corridor
surface form: Seattle–Tacoma metropolitan area
passesNear Auburn, Washington
Covington, Washington
Hobart, Washington
Maple Valley, Washington
Snoqualmie, Washington
passesThrough Tiger Mountain
surface form: Tiger Mountain area
regionServed Eastside of King County
surface form: Eastside of the Seattle metropolitan area

King County
surface form: South King County
routeNumber 18
runsFrom Federal Way, Washington, United States
surface form: Federal Way, Washington
state Washington
westernTerminus Interstate 5 in Federal Way
Washington State Route 99
surface form: State Route 99 in Federal Way

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Federal Way, Washington, United States majorHighway Washington State Route 18
subject surface form: Federal Way, Washington
Washington State Routes hasComponent Washington State Route 18