Mechanized tunnel boring machines from Herrenknecht can be used for all ground conditions and in diameters ranging from 4 inches to 62 feet. The product range includes tailor-made machines for transport tunnels (Traffic Tunneling) and supply and disposal tunnels (Utility Tunneling). Under the umbrella of the Herrenknecht Group, a team of specialists has formed to provide integrated solutions around tunnel construction with project-specific equipment and service packages. 253/447-2300; www.herrenknecht.com; Booth K241.