3c supp reduced

Item No.      3c_supp 
Meeting Date:  October 11, 2016 
Investments Shaping Seattle's Waterfront:
Public Investments

2 
Image courtesy of Seattle Times

1878 
3

1915 
4

P0.
of Seattle
5

COORDINATING FUTURE CONSTRUCTION 
Alaskan Way Viaduct demolition       City Center Connector 
Battery St Tunnel decommissioning     Pier 62/63 & Seawall Box 1 
North surface streets              Waterfront Park 
Colman Dock                 Union St Ped Connection 
South Access/Railroad Way          Bell St 
Waterfront utilities                S. Main & S. Washington streets 
Alaskan Way & Elliott Way           Pike/Pine corridor 
Promenade                 DSTT closed to buses 
Overlook Walk                 Washington State Convention Center
expansion 
Pier 66 Alaskan Way Widening 
Lander St overpass

COMPLETED
work 
Map of state-led/funded improvements 







1 Per City of Seattle's Waterfront Seattle schedule 

2 Per Seattle Tunnel Partners' most recent schedule 

3 Partially funded by the state 

4 Per 2014 legislation, additional mitigation funding is being
provided by WSDOT from funds outside the AWV Program

Following
BERTHA

UPCOMING
work 
Improved access for all modes 
New on- and off-ramps in both
directions 


South Dearborn Street off-ramp (under construction) 


SR 99 tunnel south portal 
Envisioning the SOUTH
PORTAL

UPCOMING
work 





Demolishing the 
ALASKAN WAY VIADUCT

UPCOMING
work 





Decommissioning the 
BATTERY STREET TUNNEL

Colman Dock today 
Regional transportation hub 





In 2015, more than 9 million WSF riders
traveled through Colman Dock with an
additional 500,000 riders using the King
County Water Taxi

Why is the project needed? 
Key components of Colman Dock
are aging and seismically deficient 
Timber pile that
was removed and
The layout of today's facility       replaced due to
deterioration 
creates safety concerns and
operational inefficiencies due to
conflicts between vehicles,
bicycles and pedestrians 
To ensure Colman Dock can
continue to serve as a regional
multimodal transportation hub
providing safe and reliable ferry     Project reduces conflicts between
vehicles and pedestrians 
service

Design features

View of entry building  from the south

Approach to terminal building

Construction 
Construction expected summer 2017  early
2023 
Colman Dock will remain operational
throughout construction 
Crews will complete most construction
activities from barges 
WSF is working closely to coordinate
Hoffman-Pacific crews install a test
construction with other waterfront projects   pile at Colman Dock  January 2016

King County Metro Priorities for Waterfront Mobility 


Waterfront with transit lanes 
EIS Alternative 


Metro Recommended Future Pathway: 
New transit-only waterfront lanes 
New two-way transit lanes on Columbia St. 
Least travel time impact of alternative pathways considered 
18

King County Metro Priorities for Waterfront Mobility 



Existing Columbia and Seneca ramps: 
Approximately 23,000 transit riders per day 
More than 600 bus trips per day 
Used by RapidRide C-Line which has seen a
104 percent growth since implementation 

19

WATERFRONT SEATTLE PROGRAM

SEAWALL SEAWALL
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8


ALASKAN WAY/ELLIOTT WAY 
The new SR 99 Tunnel, Alaskan Way and Elliott Way
function together to meet our transportation needs 
The new Alaskan Way/Elliott Way surface street
accommodates freight, ferry traffic and transit, as
well as provide local access to waterfront businesses
and public recreation

KEY FREIGHT CORRIDOR 
Alaskan Way is the only
surface freight route
through downtown
Seattle 
Tunnel does not allow
hazmat cargo or overlegal
loads 
Critical to support other
state investments in
freight (SR 99 Tunnel, SR
519)

ALASKAN WAY/ELLIOTT WAY 



VEHICLES, PARKING AND LOADING       TRANSIT: SW TRANSIT PATHWAY 
FERRIES: LOADING AND UNLOADING      NORTH/SOUTH BICYCLE AND PEDESTRIAN
MOVEMENT

FREIGHT 


DRIVERS

ALASKAN WAY 
S WASHINGTON STREET

INTERSECTION DETAIL

S MAIN STREET 
VIEW LOOKING NORTH

LENORA STREET BRIDGE 
VIEW LOOKING EAST 







31

OVERLOOK WALK 
VIEW LOOKING SOUTH

Friends of Waterfront Seattle is that partner.

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WATERFRONT             Hpts 

fri ndt
of WATERFRONT SEATTLE

PARKS
34

Par k Retail Oppor t unit iesPark Retail Opportunities

PIER 62/63

PIER 62/63 
PROPOSED IMPROVEMENTS

CONTACT US 
Alaskan Way Viaduct Replacement Program 
AlaskanWayViaduct.org 
viaduct@wsdot.wa.gov 
1-888-AWV-LINE 
Twitter: @BerthaDigsSR99 
Washington State Ferries 
Nicole McIntosh 
Director of Terminal Engineering 
McIntosh@wsdot.wa.gov 
206-515-3701 
Waterfront Seattle 
Marshall Foster 
Director, Office of the Waterfront 
waterfrontseattle.org 
info@waterfrontseattle.org 
206-499-8040

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