Heat-Induced Track Damage Causes Rail Disruptions Between Olten and Sissach
SBB reported rail traffic restrictions between Olten and Sissach on Monday, June 22, 2026, following track damage caused by extreme heat. The disruption affects IC6 and IC61 lines from Basel to Bern, with passengers facing cancellations and travel times increasing by approximately 20 minutes, according to the rail operator.
The disruptions began Monday afternoon, impacting commuters traveling from Basel via Olten toward Bern. SBB confirmed that while travel remains possible, passengers should expect significant delays and potential service cancellations.
Why is train traffic restricted between Olten and Sissach?
The restrictions are the result of track damage occurring during a period of extreme heat, SBB communicated Monday afternoon. This technical failure has limited the capacity of the route between Olten and Sissach.

How are IC6 and IC61 lines affected?
Passengers on the IC6 and IC61 lines face the most direct impact. According to SBB, travelers moving from Basel to Bern will experience an increase in travel time of roughly 20 minutes.
The rail operator warned that both delays and total cancellations are expected as a consequence of the track damage. SBB has indicated that further updates will follow as the situation evolves.
What happens next for passengers?
Travelers may continue to experience delays until SBB completes the necessary repairs to the damaged tracks. It is likely that service schedules will remain unstable until the heat-related damage is fully mitigated.
Passengers could see further changes to the IC6 and IC61 timetables if the track conditions do not stabilize. SBB is expected to provide updated transit information as the repair process progresses.
Frequently Asked Questions
What caused the rail disruptions between Olten and Sissach?
According to SBB, the restrictions were caused by track damage resulting from extreme heat.
Which train lines are most affected by this incident?
The IC6 and IC61 lines traveling from Basel via Olten to Bern are the affected routes.
How much extra time should passengers expect for the trip from Basel to Bern?
SBB reports that travelers from Basel to Bern will need approximately 20 minutes longer than usual.
How do you typically adjust your travel plans when faced with unexpected transit delays?