Alaskan Way Viaduct replacement tunnel

URI: https://gptkb.org/entity/Alaskan_Way_Viaduct_replacement_tunnel
GPTKB entity
Statements (47)
Predicate Object
gptkbp:instanceOf gptkb:road
gptkbp:alsoKnownAs gptkb:SR_99_Tunnel
gptkbp:awards gptkb:2019_ENR_Northwest_Best_Project_Award
gptkb:ASCE_Outstanding_Civil_Engineering_Achievement_Award_finalist
gptkbp:BerthaBreakdownDate December 2013
gptkbp:BerthaRestartDate December 2015
gptkbp:builtBy gptkb:Seattle_Tunnel_Partners
gptkbp:connects gptkb:South_Lake_Union
gptkb:SODO_neighborhood
gptkbp:constructionDelayReason Bertha breakdown
gptkbp:constructionDelays yes
gptkbp:constructionStartYear July 2013
gptkbp:cost $3.3 billion
gptkbp:diameter 17.5 m
gptkbp:emergencyExits yes
gptkbp:engineer gptkb:Parsons_Brinckerhoff
gptkb:HNTB
gptkbp:fireSuppressionSystem yes
gptkbp:hasBicycleFacilities no
gptkbp:hasBusAccess no
gptkbp:hasShoulderLanes no
https://www.w3.org/2000/01/rdf-schema#label Alaskan Way Viaduct replacement tunnel
gptkbp:length 2.7 km
gptkbp:lightingSystem yes
gptkbp:location gptkb:Seattle,_Washington,_United_States
gptkbp:maximumDepth 58 m
gptkbp:maximumSpeed 50 mph
gptkbp:monitors traffic control center
gptkbp:notableFor one of the world's largest-diameter tunnels
use of Bertha, a massive tunnel boring machine
gptkbp:numberOfLanes 4
gptkbp:opened February 4, 2019
gptkbp:operatedBy gptkb:Washington_State_Department_of_Transportation
gptkbp:ownedBy gptkb:Washington_State_Department_of_Transportation
gptkbp:partOf gptkb:SR_99_Corridor_Project
gptkbp:passesThrough gptkb:Downtown_Seattle
gptkbp:replacedBy gptkb:Alaskan_Way_Viaduct
gptkbp:routeNumber gptkb:State_Route_99
gptkbp:toll yes
gptkbp:tollStartDate November 9, 2019
gptkbp:tunnel bored tunnel
gptkbp:tunnelBoringMachineName gptkb:Bertha
gptkbp:ventilationSystem yes
gptkbp:website https://www.wsdot.wa.gov/Projects/Viaduct/
gptkbp:交通方式 motor vehicles
gptkbp:bfsParent gptkb:ACS_Group
gptkbp:bfsLayer 7