Vehicles visible
Counts vehicles reported in the public feed for each monitored route at the observation time.
Stored public-feed observations show how many vehicles are visible on selected routes and whether the current count differs from the same route and time on recent days.
Comparisons remain hidden until enough history exists.
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Counts vehicles reported in the public feed for each monitored route at the observation time.
Matching real-time trips with the published schedule can estimate how much expected service appeared.
A missing vehicle may reflect service, feed or matching issues. Results need data-quality checks before interpretation.