Today crews on the Devil’s Slide bypass tunnels will break through after more than 3 years of excavation work. The pair of 4,000-ft long tunnels will each convey Highway 1 past a dangerous and landslide-prone stretch of California Coastline. The tunnels will open to traffic in early 2012. [Source: San Francisco Examiner. Image: San Francisco Examiner]
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Subway Tunnel Collapse in Cologne Germany
Early indications are that a collapse of a subway tunnel station still under construction was to blame for the sinkhole that destroyed Cologne’s Historical Archive, home to documents dating back to 922 A.D. More info after the break. (Photo by DPA via Spiegel Online)
Port of Miami Tunnel grouting work by Nicholson Construction
July 23, 2012
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