B 38 OU Mörlenbach, construction of the Kisselhöhe tunnel

  • approx. 200,000 m³ of excavated material / tunnel excavation, rescue tunnels and preliminary cuts
  • Construction of the tunnel lining and two portal structures
  • Construction of the retaining walls and the operations building (structural work)
  • including the construction of a fire-fighting water reservoir and a contaminant retention basin
  • Approx. 4,300 m² of road surface
  • Joint venture with HOCHTIEF Infrastructure GmbH