an unspecified impact level
Cause code ONA066
Plain-language explanation, impact details and live examples.
Last updated 21 May 2026, 17:05:44Bakre fordon går låst.
Announcement phrasing
Train operators typically phrase this cause as:
Bakre fordon går låst.
Live trains referencing ONA066
Snapshot of services that mentioned this cause during the past 90 minutes and the next 3 hours.
Updated 21 May 2026, 17:05
We can't find any current trains referencing this cause.
Frequently asked questions about cause code ONA066
What does cause code ONA066 mean?
Bakre fordon går låst.
How serious is cause code ONA066?
It is classified as an unspecified impact level.
Which trains are currently affected?
See the live examples above. The list refreshes every minute.