
HNTB experts have the insight on tunnel ventilation and safety and knowledge to provide innovative solutions on a wide range of tunnels, including cut-and-cover, tunnel boring machine tunnels, conventional tunneling, NATM, immersed tube tunnels, shaft construction and micro-tunneling.
Featured Tunnel Projects
Tunnel News and Insights
Emerging Technologies in Tunnels
A Conversation with Sanja Zlatanic and Civil + Structural Engineer
Deep Thinking – Underground Solutions
Insights Into Tunnel Industry Trends
Best Practices for Long Transit and Rail Tunnels