Winkelmann and Zimmermann: Die Planung von Schlaglöchern? Fehlermanagement der öffentlichen Hand im Bereich der materiellen Infrastrukturbereitstellung 197 contain a case description, the criticism of the respective Court of Auditors, a statement by the authorities demanded, and a final assessment by the Court of Auditors. By evaluating the comments, it is possible to determine how the construction authorities react to the criticisms, which problems are dealt with and how, and which conceptual, institutional and personnel consequences the construction authorities draw for future projects.