Sightline Project
Seattle's Great Viaduct Debate
As Seattle debates a deep-bore tunnel to replace the Alaskan Way Viaduct, Sightline examines the issue of potential cost overruns. The state legislature has made it clear it wants Seattle property owners on the hook—but the cost could be enormous. Read Sightline’s collection of posts on replacing the viaduct and what it means for Seattle residents.
Project Posts
The Environmental Case Against the Deep-bore Tunnel
Six prominent environmentalists argue against Seattle's proposed deep-bore tunnel.
Is The Tunnel Worse Than Nothing?
According to the state, a deep bore tunnel with high tolls means more street traffic than no tunnel at all.
Viaduct Diversion, By the Numbers
State models suggest that the deep bore will carry about a third of the existing Viaduct's traffic.
Required Reading on the Tunnel
Dave Roberts interviews Cary Moon.
Sightline at Town Hall
A dialogue about the deep-bore tunnel.
Did Eyman Just Kill the Deep-bore Tunnel?
1053 requires legislature to vote on tunnel funding. Again.
Deep-bore Tunnel Bidders Get Sweetener
Worrisome sign that cost estimates are too low.
Would You Like Transit With That Tunnel?
Making sure the tunnel LOA doesn't become a LOL.
WashDOT Says: 40% Chance of Tunnel Cost Overruns
With odds like that, we should figure out who pays before any work starts.
