The Alaskan Way Viaduct Replacement Tunnel

http://en.wikipedia.org/wiki/Alaskan_Way_Viaduct_replacement_tunnel
Although its nowhere near the scale of the Big_Dig project in Boston, its still a big project.
http://mynorthwest.com/11/2367894/Know-before-you-go-Good-timing-for-closures-on-SR-99-Montlake-Bridge

http://westseattleblog.com/2013/09/traffic-alert-highway-99-blocked-at-battery-street-tunnel


http://en.wikipedia.org/wiki/Downtown_Seattle_Transit_Tunnel#Stations,
http://en.wikipedia.org/wiki/Central_Link#Stations,
http://en.wikipedia.org/wiki/Beacon_Hill_(Link_station)

http://www.boston.com/beyond_bigdig,
http://www.wbur.org/2012/07/12/big-dig-effect,
https://www.youtube.com/watch?v=DkZSQS7lpHE,
http://science.howstuffworks.com/engineering/structural/tunnel5.htm


http://www.boston.com/beyond_bigdig/cases/sanfrancisco/index.shtml

The Port of Tacoma

http://en.wikipedia.org/wiki/Port_of_Tacoma#History

The road & rail infrastructure is much more substantial than whats in Vancouver,BC.

http://en.wikipedia.org/wiki/Commencement_Bay, http://www.portoftacoma.com

Port of Seattle

http://en.wikipedia.org/wiki/Port_of_Seattle

http://www.portseattle.org/Pages/default.aspx
Unlike Vancouver, Seattle's port is much more concentrated, with wider & better road & rail access.
http://en.wikipedia.org/wiki/Harbor_Island

Overall, Seattle-Tacoma is the largest urban area in the Pacific_Northwest of North America.

Port of Metro Vancouver, etc.

http://en.wikipedia.org/wiki/Port_Metro_Vancouver#Terminals_and_Facilities
Unlike most major port regions, many of the main roadways still only have 4 or 6 lanes.
http://www.portmetrovancouver.com/en/projects/CCIP.aspx,
http://www.portmetrovancouver.com/en/projects/ongoingprojects/dtrrip.aspx,
http://www.portmetrovancouver.com/en/projects.aspx

While several cities have dual track railway bridges, this was not the case for Greater Vancouver.

http://www.nwheritage.org/phototour/riverlife/bridges_fraser.htm
It was tough enough just to get one set of tracks built with a 1 lane road above it.

http://www.newwestcity.ca/residents/residents_services/transportation/master_transportation_plan/articles1602.php

http://en.wikipedia.org/wiki/Roberts_Bank_Superport,
http://www.robertsbankterminal2.com/about-the-project,
http://www.portmetrovancouver.com/en/projects/OngoingProjects/DTRRIP.aspx,
http://www.tsi.bc.ca/t3/index.php?id=90, http://porttalk.ca/rbt2,
http://www.portmetrovancouver.com/en/projects/RobertsBankRailCorridor.aspx,
http://www.portmetrovancouver.com/en/users/interactiveportmap.aspx,

http://www.translink.ca/en/Plans-and-Projects/Roads-Bridges-and-Goods-Movement/Roberts-Bank-Rail-Corridor.aspx

http://www.marinetraffic.com/ais/default.aspx?centerx=-123.1355&centery=49.027&zoom=14,
http://www.asiapacificgateway.gc.ca,
http://www.bergergroup.com/?p=open_work&type=work&id=69&t=Deltaport,_Vancouver,_Canada

http://en.wikipedia.org/wiki/Tsawwassen_Ferry_Terminal