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Tunnels & underground structures

As a large and globally renowned tunnel engineering company, WBI provides support in all aspects of tunnel and underground construction:

  • Traffic infrastructure (road, rail, municipal transport), galleries, shafts and caverns
  • TBM & conventional tunneling, pipe jacking, micro-tunneling, tunnel expansion machines
  • New construction and rehabilitation
  • Technical equipment and retrofitting together with competent partner companies
  • Safety and rescue concepts
  • Utilization of geothermal energy or tunnel thermal energy, especially for inner-city tunnel structures
  • Sustainability and carbon footprint reduction by means of innovative design
  • Global scope
  • In soil & rock
  • TBM & conventional
  • All diameters
  • Rail:  > 80 tunnels; total length ~290km
  • Road:  > 70 tunnels; total length ~100 km
  • Galleries: > 25; total length ~250 km
  • Caverns