Technical specifications

Scope of works:

  • 1 two-lane road tunnel and 1 bridge
  • total tunnel length 100 m 
  • length of the total section to be built by us under the contract: approx. 520 m

Construction method

  • Cut and cover method 
  • Crossing of the A 3 motorway in 10 construction phases without interrupting the traffic flow
  • Crossing of an existing tunnel on the Cologne-Frankfurt high-speed railway line


  • alternating sequences of sand and gravel

General data

LSG Betriebsweg Gateway Gardens

Grundstücksgesellschaft Gateway Gardens

Wayss & Freytag Ingenieurbau AG

Construction time

Construction sum net
€  14 million


Road tunnel to give LSG caterers access to the Frankfurt Airport apron
100 m
Construction Method
cut and cover method
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