As cities grow and Earth becomes more congested with millions of miles of roads and railways, tunnels offer access to some of our last available space. They pass through massive mountains, beneath bodies of water, and even under large cities. Learn all about underground engineering in this exciting resource and see how engineers solve problems of tunnel design, safety, construction, and sustainability. No doubt tunnels of the future will revolutionize transportation and address other global issues. You might even be inspired to design these tunnels of the future!
Table of Contents
1 Tunnels from Ancient Times to Modern Times 9
2 Building Beneath 15
3 The Dangerous Business of Tunneling 23
4 Modern-Day Miracles 29
5 A Glimpse of the Future 36
Further Reading 47