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Cut-and-cover tunnel

Feeder Lenzburg
A1

Lenzburg, Switzerland / 04.2018 - 10.2021

The Lenzburg feeder project to the A1 highway was intended to solve the existing capacity problems at the Neuhof junction. The central element is the Neuhof tunnel. 

Photo: Aerial view of the tunnel entrance and the road junction above; in the background a settlement.
© PORR

Facts & Figures

Company

PORR SUISSE AG in consortium

Type

Cut-and-cover tunnel

Runtime

04.2018 - 10.2021

Principal
Canton of Aargau, Department of Civil Engineering, Transport and Environment

642m traffic relief.

The traffic flow of the motorway feeder road to the A1 (Bern - Zurich) is routed under the Neuhof junction without any crossings using the 362m long tunnel and the two ramps Hero (94m) and Horner (186m).  

What ultimately counts in the construction business is successfully completed projects. PORR has many of these.

Photo: Aerial view of the tunnel entrance and the road junction above; in the background a settlement.
© PORR
Photo: View from above of the tunnel construction site with cranes and construction machinery
© PORR