Construction of Access Road for A9 Highway in Switzerland

This contract involves the construction of a temporary access road for the A9 highway in Pfyn, extending approximately 5.5 kilometers north of the future highway route. The access road will facilitate entry to A9 construction sites, support local access, and maintain the existing bike route No. 1. The work includes topsoil removal and storage, earthworks, roadbed construction, drainage installation, adjustments to underground utilities including drinking water, installation of guardrails, and road marking and signage. To ensure the south-north flow of a water channel during the A9 construction, a service bridge will be built at cross-section B-1700. The total quantities involved include: 10,500 m3 of excavated topsoil and subsoil, 52,000 m3 of excavation, 89,000 m3 of embankment, 37,000 m3 of gravel sand provided by the client, 20,000 m3 of foundation layers, and 7,800 tons of bituminous surfaces.