Sparse details on TfL's status page (screenshotted for posterity):
Upon some digging I found this Croydon Advertiser article with a quote from TfL that it was just a depot movement:
I would have thought that 2016's derailment means a less-vague message on the status page would be a PR priority!
Upon some digging I found this Croydon Advertiser article with a quote from TfL that it was just a depot movement:
TfL (via Croydon Advertiser) said:We are investigating a slow speed partial derailment at Therapia Lane tram depot this morning. The tram involved was not in passenger service and there were no injuries. There is currently no service between Mitcham Junction and Reeves Corner while this is fixed by our engineers. I apologise to customers for the delays to their journeys.
I would have thought that 2016's derailment means a less-vague message on the status page would be a PR priority!