an unspecified impact level
Cause code ONA123
Plain-language explanation, impact details and live examples.
Last updated 21 May 2026, 17:05:40Taxi ers. {station1} - {station2}.
Announcement phrasing
Train operators typically phrase this cause as:
Taxi ers. {station1} - {station2}.
Live trains referencing ONA123
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 ONA123
What does cause code ONA123 mean?
Taxi ers. {station1} - {station2}.
How serious is cause code ONA123?
It is classified as an unspecified impact level.
Which trains are currently affected?
See the live examples above. The list refreshes every minute.