Seattle Light-Rail Tunnel Likely to Break Ground This Year

Pittsburgh’s light rail expansion project dubbed the North Shore Connector Project has passed underneath the Allegheny River despite some earlier troubles. The cut and cover tunnel portion is complete, and the TBM bored portion of […]

The Devil’s Slide Tunnel Project was originally scheduled to open at the end of 2012, but it has been delayed slightly to an early 2013 opening. If you look at some recent photos, you can hardly tell that there is anything left to finish. I’ve been following this project since it started, since to me it represents the essence of geoengineering, with important roles played by geotechnical engineers, geological engineers, hydrogeologists, and of course geotechnical contractors and tunneling specialists.  I thought it would be interesting to list a few of the posts I’ve written about the project over the years and present a bit of information I only recently learned.  Click through for more. [Image: kxyoung on Flickr]

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California motorists can now avoid a dangerous and landslide-prone stretch of the Pacific Coast Highway, Devil’s Slide, through the tunnel bypass. This project has been a fascination of mine since the early days of GeoPrac.  […]