an unspecified impact level
Cause code ONA021
Plain-language explanation, impact details and live examples.
Last updated 21 May 2026, 16:58:49Första uppehåll Gunnesbo.
Announcement phrasing
Train operators typically phrase this cause as:
Första uppehåll Gunnesbo.
Live trains referencing ONA021
Snapshot of services that mentioned this cause during the past 90 minutes and the next 3 hours.
Updated 21 May 2026, 16:58
We can't find any current trains referencing this cause.
Frequently asked questions about cause code ONA021
What does cause code ONA021 mean?
Första uppehåll Gunnesbo.
How serious is cause code ONA021?
It is classified as an unspecified impact level.
Which trains are currently affected?
See the live examples above. The list refreshes every minute.