‘The object’: Something deep and mysterious has blocked the world’s biggest tunnel boring machine under Seattle
National Post » A secret subterranean heart, tinged with mystery and myth, [...]
SR 99 Tunneling machine animation
WSDOT » This animation shows how the world’s largest tunneling [...]
Groundbreaking today for Alaskan Way Viaduct replacement
Seattle Post-Intelligencer » Called the Holgate-to-King Street project, WSDOT plans to replace [...]
VIDEO: Fly Seattle’s State Route 99 tunnel
Washington State Department of Transportation » Get a drone’s-eye view -- two [...]
California, Oregon Testing Per-Mile Fee in Lieu of Fuel Tax
Bloomberg » California and Oregon are planning to launch the first interstate [...]
Tacoma I-5 Changes Include Bridges, HOV Lanes
ENR Northwest » Tacoma’s stretch of Interstate 5, with three new bridges, [...]