When cities become more populated, problems like traffic and pollution get worse. Developed countries have seen this happen when the level of urbanization reaches 50%. To address these issues, tunnels and underground spaces have become popular solutions for urban development and social activities. Modern tunneling technology has advanced a lot in the last century, and this book provides up-to-date information on tunnel engineering. It covers foundational knowledge and the latest developments in shield tunnel engineering. This book is aimed at students, engineers, scientists, industrialists, consultants, and others who want to learn more about wind tunnel designs and their potential for research.