State Route 99 Tunnel
E664515
The State Route 99 Tunnel is a major underground highway tunnel in Seattle that replaced the Alaskan Way Viaduct to carry traffic along the State Route 99 corridor.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
road tunnel
ⓘ
transport infrastructure ⓘ |
| adjacentTo | Elliott Bay NERFINISHED ⓘ |
| breakthroughDate | 2017 ⓘ |
| builtWith | Bertha tunnel boring machine NERFINISHED ⓘ |
| connects |
Downtown Seattle
NERFINISHED
ⓘ
SODO NERFINISHED ⓘ South Lake Union NERFINISHED ⓘ |
| constructionCost | over 3 billion US dollars ⓘ |
| constructionStartDate | 2013 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endPoint | South Lake Union area of Seattle NERFINISHED ⓘ |
| hasEmergencyExits | yes ⓘ |
| hasFireSuppressionSystem | yes ⓘ |
| hasLanes |
2 lanes northbound
ⓘ
2 lanes southbound ⓘ |
| hasSpeedLimit | generally 45 miles per hour ⓘ |
| hasTrafficControlSystem | yes ⓘ |
| hasVentilationSystem | yes ⓘ |
| isTollRoad | yes ⓘ |
| length |
approximately 2 miles
ⓘ
approximately 3.2 kilometers ⓘ |
| locatedIn |
King County
ⓘ
surface form:
King County, Washington
Seattle, Washington NERFINISHED ⓘ Washington ⓘ
surface form:
Washington (state)
|
| maintainedBy | Washington State Department of Transportation NERFINISHED ⓘ |
| numberOfDecks | 2 ⓘ |
| numberOfTubes | 1 ⓘ |
| openedToTollingDate | 2019-11-09 ⓘ |
| openingDate | 2019-02-04 ⓘ |
| operator | Washington State Department of Transportation NERFINISHED ⓘ |
| owner | Washington State Department of Transportation NERFINISHED ⓘ |
| partOf |
Seattle waterfront replacement program
NERFINISHED
ⓘ
State Route 99 NERFINISHED ⓘ |
| primaryFunction | carry State Route 99 traffic under downtown Seattle ⓘ |
| replacedStructureType | elevated freeway viaduct ⓘ |
| replaces | Alaskan Way Viaduct NERFINISHED ⓘ |
| roadType | limited-access highway ⓘ |
| routeNumber | 99 ⓘ |
| startPoint | SODO neighborhood of Seattle NERFINISHED ⓘ |
| tollingMethod |
Good To Go! transponder system
ⓘ
all-electronic tolling ⓘ |
| trafficDirection |
lower deck southbound
ⓘ
upper deck northbound ⓘ |
| tunnelType | bored tunnel ⓘ |
| under |
Belltown
NERFINISHED
ⓘ
Downtown Seattle NERFINISHED ⓘ South Lake Union vicinity ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.