The prestigious biennial conference North American Tunneling will take place 24^th-27^th June, 2012 at the JW Marriott in Indianapolis, IN, US, organized by Underground Construction Association of Society Mining, Metallurgy and Exploration Inc (UCA of SME). Delegate registration opens on Monday, 2^nd April. A scholarship competition invites submission of original papers from students, the top three of which will be presented at the conference. Technical sessions include Better tunnelling through knowledge and improvement of ground; Innovative solutions; Contractual, life-cycle and design focus; Roadheader and TBM preparation; Trends and developments in mechanical excavation; Analysis of soft ground tunnels; Project risk, cost and schedule; Mechanized tunnelling; Applications of innovative technologies; Design and construction of large underground spaces; Project delivery and contracting strategies; Ground treatment; Application and developments in TBM methods; Transit tunnel challenges; Geotechnical, environmental and sustainability challenges; Microtunnelling; Underground water issues; Future projects; and Repair and rehabilitation. The exhibition features top names from the world’s tunnelling industry, including Caterpillar, Bekaert, Herrenknecht, Normet, Robbins, Sandvik, DSI, VMT and ZED. Visit www.smenet.org for a full list of exhibitors and an interactive floorplan of the exhibition area, which is adjacent to the conference halls. Sponsored events include welcome lunch and exhibit hall receptions.