Specialists weigh in on trends for U.S. tunnel projects

11/13/2013 | CE News

Over the past years, tunneling technology and design have made significant advancements, and as infrastructure decays and populations grow, it's likely more tunnels will need to be built, writes Bob Drake. In this article, five experts talk about the progress that has been made, innovation in material use and what the market will be like in the next decade.

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