Seattle: AWV Replacement Tunnel Project

"The Alaskan Way Viaduct was built in three phases in 1949 through 1953 and opened on April 4, 1953."
http://en.wikipedia.org/wiki/Alaskan_Way_Viaduct

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

Cost Overruns For Seattle-Area Tunnel Projects

www.sightline.org/wp-content/uploads/downloads/.../tunnel_report.pdf

along Seattle's waterfront with a deep-bore tunnel underneath downtown Seattle. .... 21 foot diameter boring machine passed beneath Beacon Hill.8 .... and International Tunnel Projects,” Alaska Way Viaduct and Seawall ... Tunnel is 14,050 feet in length; the Central Tunnel consists of two tunnels, the first is 11,600 feet long.

Alaskan Way Viaduct and Seawall Replacement Project ...

www.wsdot.wa.gov/projects/viaduct/.../DEISAppendixCTransportation.pdf

Mar 1, 2004 - 3.1.8 Alaskan Way Viaduct Project: Task 1 Report (December 1996) . ...... The AWV has narrow 10-foot lanes, very limited shoulders or shy distance to ......11,600. 11,800. 11,900...

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