New rule: unusable_trip (at least 2 stops per trip)

etalab / transport-validator

GTFS validator

https://transport.data.gouv.fr/validation/

MIT License

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New rule: unusable_trip (at least 2 stops per trip) #206

Open AntoineAugusti opened 2 months ago

AntoineAugusti commented 2 months ago

Trips must have more than one stop to be usable.

A trip must visit more than one stop in stop_times.txt to be usable by passengers for boarding and alighting.

This is a Warning for MobilityData, should we set it to Error?

ℹ️ Original rule from Google and then MobilityData: https://gtfs-validator.mobilitydata.org/rules.html#unusable_trip-rule

Brewennn commented 1 month ago

I think it should be set as 'Error' because this situation leads to a lock of a part of dataset information (stop times). It's more serious than a warning such as 'travel time between to stops is null'.

ptitfred commented 1 month ago

Shouldn't we assess the impact of such a change and warn upfront the producers to avoid taking them by surprise?