Building A New State Route 99 Through Seattle

Building a new State Route 99 through Seattle

ACS Building a new State Route 99 through Seattle

Fundación Consejo España - EE.UU.

Building of the new State Route 99 Seattle USA

Before and after: Seattle’s Alaskan Way Viaduct is now a piece of history

A look at how the entrances and exits of the new SR 99 tunnel are laid out

Testing causes damage to Seattle SR 99 tunnel building

Burying the ramps to/from the SR 99 tunnel

The part of the SR 99 tunnel built without Bertha

Driving SOUTH to and through Seattle with the new SR 99 tunnel

SR 99 South Access Project : Building a new pathway from Seattle’s stadiums to the waterfront

The Building Blocks of the SR 99 Tunnel

Tunneling Toward a New State Route 99 Corridor

Tunnel Effect: What does it take to run the new tunnel?

Tour of road construction progress in the gigantic SR 99 Tunnel under Downtown Seattle

Interior structure of the SR99 highway tunnel Seattle

Moving SR 99 from the viaduct into the new tunnel

Digging In: Seattle's Big Bertha

Building a highway underneath Seattle

Transforming Seattle: Building the SR 99 tunnel’s north portal

Building the lower road in Seattle’s new double-deck tunnel