Hill managed the construction of some of the most complex tunnel projects in the world, from the Channel Tunnel in the UK to the Fort McHenry Tunnel in Maryland. Hill’s work on the No. 7 Subway Line Extension tunnel in New York City was recognized by the CMAA and several industry organizations as a “Best Project,” exceeding both time and budget estimates with minimal community disruption. We bring the benefits of our expertise to your tunnel project, including familiarity with the latest tunneling techniques and technologies.