Not classified
Cause code TNA
Plain-language explanation, impact details and live examples.
Last updated 8 Dec 2025, 17:33:53Nationell
Announcement phrasing
Train operators typically phrase this cause as:
Nationell
Live trains referencing TNA
Snapshot of services that mentioned this cause during the past 90 minutes and the next 3 hours.
Updated 8 Dec 2025, 17:33
We can't find any current trains referencing this cause.
Frequently asked questions about cause code TNA
What does cause code TNA mean?
Nationell
How serious is cause code TNA?
It is classified as Not classified.
Which trains are currently affected?
See the live examples above. The list refreshes every minute.