Planning permission granted for Zürich–Winterthur four-track upgrade and Brüttener Tunnel, Switzerland November 17, 2025 | Europe News, News Switzerland’s Federal Office of Transport (FOT) has granted planning permission for a project to widen the Zürich–Winterthur main line to four tracks and construct the 9-km-long Brüttener Tunnel. The ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password