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Highways

The Case for Burying I-5 in a Deep-Bore Tunnel

Interstate 5: It's ugly, ubiquitous, and almost universally hated. It's a wall that separates one side of Seattle from the other. It's noisy and...
I-5 through Northgate section of Seattle. Northgate Station rises on the right.(Photo by Doug Trumm)

The Law of Induced Demand: Road Widening (and I-976) Invites Congestion

The four-billion-dollar-and-counting SR-99 tunnel was supposed to relieve congestion. It's been open nine months, but people getting around on Seattle streets and highways probably...
The entrance portal to the new SR-99 tunnel was filled with pedestrians during a special event before the grand opening.

Seattle Squeeze 2.0? SR-99 Tolling Could Divert Traffic to City Streets

Motorists have been able to use the new four-billion-dollar SR-99 Alaskan Way Viaduct replacement tunnel for free since it opened February 4th. That will...

Lidding I-5 Declared “Technically Feasible” by Consultant Team

An important milestone in the Lid I-5 technical feasibility study has been reached. Data collected by engineering firm WSP indicates that it is structurally...
A elevated rail line down the middle of Aurora Avenue with bike lanes, bus lanes, and a row of trees on the side.

Seattle Subway Promotes Aurora Avenue Light Rail with New Renderings

Light rail on Aurora Avenue just seems like a great idea, and Seattle Subway has the pictures to prove it. Today, the all-volunteer-run organization...

Map of the Week: Cross-Sound Bridges for Highway Pipe Dreams

Seattle has too many urban highways, but it could have had so many more if state leaders had realized all their dreams of highway...

The Koch-Fueled Anti-Transit Crusade Hits Phoenix, Is Seattle Next?

Phoenix, Arizona is about to vote on a ballot measure intended to sabotage light rail expansions. A Valley Metro Rail extension to South Phoenix...

520 Portage Bay Bridge and Roanoke Lid Design Process Is Advancing

The Washington State Department of Transportation (WSDOT) is seeking community feedback through its SR-520 Online Open House. A series of community workshops will also...