← Floriston live page · all crossings
This crossing sits beside a train-describer berth — a signalling section whose occupation Network Rail broadcasts in real time. Virtually every train that actually crosses is seen the moment it fills that berth, and each pass is checked against what this page was showing at the time — so these numbers measure what a visitor really experiences, not an internal model.
These figures score when trains pass, not when the barriers are down. At the crossings we've audited, the public signalling feed carries no barrier-position bit — a systematic search found none there — so we score train passes instead; the live page derives its closure window from the predicted pass using per-type lead and clear offsets. This is a cctv-monitored manual barrier crossing (CCTV): a signaller monitors the crossing, confirms it is clear, and lowers the barriers ahead of each train — so the gap between barriers-down and the train passing depends on when the signaller acts, which these figures don’t observe.
No measured data yet. Built nightly at 02:00 UTC.
The offset chart replays each observed train’s minute-by-minute prediction history — every tracked train keeps a rolling queue of what the page was asserting on its approach, sealed when it actually crosses. Offset is predicted minus actual: below zero means the page warned early (annoying but safe), above zero late. The bands narrowing toward the zero line as the train closes in is live signalling progressively correcting the schedule. Hover or tap any metric name above for what exactly it counts. Built nightly at 02:00 UTC from complete days.
built 2026-07-23T22:46:25+00:00 · data