What should passengers do if they notice a red or amber bar on their ticket detail screen?

When passengers notice a red or amber bar on their ticket detail screen, it is crucial for them to recognize that this visual indicator typically denotes a potential issue that requires immediate attention. The presence of such bars often suggests that there may be discrepancies or irregularities with their tickets. In this context, reporting potential ticket fraud is an appropriate action, as it ensures that any problems can be addressed promptly and can help prevent unauthorized usage of tickets.

By bringing attention to these indicators, passengers contribute to maintaining the integrity of the ticketing system and protecting their own travel experience. This proactive approach allows for investigation and resolution, helping both the passengers and the railway service manage potential issues effectively.