Overview
- The signal problem caused delays and partial cancellations through Tuesday night in the Cologne area.
- Regional express lines RE1, RE5, RE7 and RE8 were affected on the corridor linking the main station with Messe/Deutz.
- Deutsche Bahn reported that some long-distance trains were rerouted to bypass the affected section.
- The operator initially could not say how long the disruption would last before confirming the fix early Wednesday.
- The incident followed a separate interlocking failure reported the previous week that had already disrupted traffic around Cologne.