Found on live data

Troubleshooting runs on real public data streaming into InduQT: what the data showed, what InduQT decided, and the replay that lets you check it yourself.

Helsinki trams on Mannerheimintie in autumn, one approaching a stop where people wait

Helsinki trams (public MQTT feed) · Tram 629 · 2026-10-27

Why did a late Helsinki tram stand still for 18 minutes? Troubleshooting live MQTT data

No sign of a vehicle fault. The data fits an operational recovery at the terminus: the tram was first attached to its next scheduled trip, which was already overdue, held with its doors shut, and then moved onto a later departure. It left about 5 minutes behind that later trip and was back on time by the following terminus.