World Tunnel Congress (WTC) is the top attended tunneling event in the world, bringing the latest in technology and innovations. It is an excellent opportunity to showcase innovative tunneling technology, tunneling practices, and contracting methods. World Tunnel Congress is the foremost international conference on tunneling and underground space where participants gather and share information to improve their industry. This 7 days tunneling and underground construction industry event is being organized by UCA of SME. The venue of this event is Moscone Center which is situated in San Francisco, California, United States of America. The event will be held from 22 April 2016, Friday to 28 April 2016, Thursday. WTC 2016 will showcase a wide range of products and services related to tunneling sector from the leading exhibitors. Over 200 exhibitors are expected at this event to showcase their products and services. The event will accommodate approximately 140,000 square feet of exhibit space. Over 3,000 visitors are expected at this tunneling and underground construction industry event. The frequency of WTC is annual.