Austrian tunnel engineering is highly developed and has a excellent reputation worldwide in all areas including design, execution, innovative developments and training. A large number of demanding projects successfully completed in the past or currently posing new challenges for planners and contractors provide outstanding references for the Austrian tunnel engineering industry. The Austrian Art of Tunnelling aims to document the current state of the art. Short articles present current construction sites in Austria and abroad, their special features and the chosen solutions. In addition, internationally experienced consulting engineers discuss the design challenges for selected, particularly demanding projects. The book is rounded off by a clearly arranged overview of relevant technical/scientific organisations, associations and universities. The Austrian Art of Tunnelling is published by ITA Austria, Vienna, an umbrella organisation formed by five technical/scientific associations that represents Austrian interests in the International Tunnelling Association.