Overview

• The segment between Rathaus and St. Pauli reopened at the start of operations on July 4 following a planned two-week closure for infrastructure upgrades.
• Maintenance crews replaced 620 meters of rails and installed 790 new sleepers to enhance track safety and performance.
• Hochbahn initiated the mid-June closure as part of routine upkeep designed to minimize unplanned disruptions on the U3 line.
• Commuters now enjoy uninterrupted travel through Hamburg’s city center without shuttle replacements or transfer requirements.
• Additional renewal projects are scheduled later in 2025 to ensure consistent reliability across other sections of the U-Bahn network.