
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.
Deep Thinking, Underground Solutions
- Planning
- Design
- Project Management
- Tunnels, Underground & Structural Engineering
- Geotechnical engineering
- Geology/Hydrogeology
- Construction Management & Engineering
- Tunnel Inspection
- Instrumentation and Monitoring
- Tunnel Rehabilitation
- Ventilation & Fire Life Safety
- Operations & Maintenance
Featured Tunnel Projects
Tunnel News and Insights
Increasing Pandemic Resiliency
A Conversation with Sanja Zlatanic and Civil + Structural Engineer
The Accumulating Enemy
Learn about important measures that should be taken to mitigate the effects of dust in rail tunnels.
Insights Into Tunnel Industry Trends
Best Practices for Long Transit and Rail Tunnels