Maintenance and cleaning: Work is pending in the Farchant and Oberau tunnels. On March 6th and 7th, the tunnel tubes will be cleaned to improve visibility and increase traffic safety.

Scheduled maintenance will be conducted March 8-15 to maintain operational equipment and review safety programs. The tunnel cleaning of the Oberau tunnel will be carried out from March 4th to 5th. During this time, one tunnel tube will be closed and traffic will be rerouted through Oberau.