# Public transport and infrastructure disruptions in Germany > Developing situation record from CLSTR: https://clstr.news/situations/public-transport-and-infrastructure-disruptions-in-germany > Updated: 2026-10-28T13:17:07.000Z. Sources: 3. Developments: 2. In late October 2026, significant transit and road disruptions were reported in Karlsruhe and Traunstein. In Karlsruhe, an overhead line fault near Kronenplatz and a signal box failure caused diversions for several light rail lines and necessitated replacement bus services between Rastatt and Freudenstadt. By October 28, it was reported that the Karlsruhe light rail tunnel underwent a complete closure from October 24 to October 31 for major maintenance. This operation, described as the most significant since the tunnel’s completion in 2021, involved approximately 35 companies performing urgent track repairs, rail grinding, and overhead line inspections. The closure affected key underground stations such as Marktplatz, Europaplatz, and Ettlinger Tor, forcing numerous lines to surface routes or resulting in service suspensions. Separately, in Traunstein, Bahnhofplatz scheduled renovations from October 30 to November 7, involving the replacement of cobblestones with asphalt and temporary changes to local traffic regulations. ## Timeline ### 2026-10-28: Karlsruhe closes light rail tunnel for major maintenance Karlsruhe's light rail tunnel is closed from October 24 to 31 for urgent track repairs and maintenance, causing significant diversions for multiple S-Bahn and tram lines. 2 sources. https://clstr.news/cluster/karlsruhe-closes-light-rail-tunnel-for-major-maintenance ### 2026-10-26: Traffic disruptions reported in Karlsruhe and Traunstein Transit diversions in Karlsruhe due to technical faults and upcoming road renovations in Traunstein are causing local traffic disruptions. 2 sources. https://clstr.news/cluster/traffic-disruptions-reported-in-karlsruhe-and-traunstein --- Cite as: Public transport and infrastructure disruptions in Germany. CLSTR, https://clstr.news/situations/public-transport-and-infrastructure-disruptions-in-germany