GermanyTunnel engineeringOpen Tunnel Wiener Platz, Los 1: technical equipment Landeshauptstadt Dresden, Straßen- und Tiefbauamt Submission deadline December 8, 2026 at 2:00 PM UTC Contract value Not stated in the notice
GermanyTunnel engineering and lightingOpen LED lighting retrofit for the Bochum Grumme tunnel Die Autobahn GmbH des Bundes - NL Westfalen Submission deadline Not available Contract value Not stated in the notice
SwitzerlandEngineering and road infrastructureOpen Hagnau–Augst maintenance project | Local construction management for tunnel systems ASTRA, Federal Roads Office, Road Infrastructure East, F3 Submission deadline October 26, 2026 at 10:59 PM UTC Contract value Not stated in the notice