Spie announced on Wednesday that it had been chosen to install equipment for a noise-reduction tunnel on a section of the A8 freeway between Stuttgart and Karlsruhe.

The French group has been selected to equip two 380-meter-long tunnels and a service building with its operating equipment and traffic engineering systems.

The tunnel is part of the noise abatement measures implemented as part of the 2x3 lane freeway widening between the Pforzheim-Süd and Pforzheim-Nord junctions in Baden-Württemberg.

In order to reduce traffic congestion and noise, the freeway is now being widened to six lanes over a distance of around 4.8 kilometers, and equipped with extensive noise abatement facilities.

The project, which began in July 2022, is scheduled for completion in summer 2025.

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