[Tagging] Public Transport Timetables

[djakk djakk]

For example in Japan transit companies sells their timetable for about
1000€ ... maybe copying the timetable is forbidden but Osm can have at
least an opening hour and a frequency for a line in Japan.
An other example, the city of Accra (Ghana) : only share taxis, no transit
authority, lines are already mapped in OSM, with a travel time and a
frequency.

Julien « djakk »


Le mer. 7 nov. 2018 à 14:37, Jonathon Rossi <jono at jonorossi.com> a écrit :

> I've been following along the few threads to better understand this topic,
> however I'm still feeling that mapping complex timetables is a bit like
> mapping the full menu of a cafe or restaurant, or the room options at a
> hotel. These things vary whenever the service business chooses and it is
> close to impossible to keep it up to date.
>
> In Brisbane Australia, some PT timetables vary often especially with
> public holidays (local, state or federal), school holidays (which differ
> between schools) and especially with special events (sporting, concerts,
> etc). Sometimes timetables get more trips sometimes less, it can be quite
> variable throughout the year and not something that can be 100% codified
> into timetable rules, and obviously not known too far in advance.
>
> I appreciate that timetables are very useful for consumers of maps, and
> understand that in some cities timetables can be reverse engineered by
> being somewhat observable (I would think copying a full timetable off a
> sign would classify as an import), however are we concerned that this adds
> a massive burden to maintain this data in OSM and it is very likely to
> always be out of date? If it is always going to be out of date will any app
> developer even integrate this data into their app when they can use GTFS
> feeds? The proposal refers to MAPS.ME and OsmAnd, have the developers of
> either application been consulted?
>
> Having this data embedded in the OSM tags also forces apps to reduce their
> map cache duration to try to get more updated timetables.
>
> I'm not very experienced with PT in OSM, but I'd have thought improving
> the tags for mapping objects to GTFS feeds, including the GTFS endpoints
> and license info as tags, and maybe then adding the ability to discover the
> GTFS Realtime extension would be the way to go. I think this would give
> much more power to app developers. It does overlap a little with
> Transitland, but obviously OSM wouldn't be polling or hosting the feeds,
> that would be up to an application developer.
>
> Happy to hear any feedback if I've missed the point of this.
>
> On Tue, Nov 6, 2018 at 2:07 AM Jo <winfixit at gmail.com> wrote:
>
>> Hi Leif,
>>
>> You made me do it! :-) I sort of stole your proposal and started creating
>> a new one. It differs in rather important ways from your proposal, so I
>> preferred not modifying your wiki page. I also think it's important to
>> decouple the (voting for a) full timetable solution from the solution where
>> tags are added to indicate interval during 'opening_hours' or a route,
>> which is a lot more likely to be accepted.
>>
>> So here goes:
>>
>> https://wiki.openstreetmap.org/wiki/Proposed_features/Public_transport_timetables
>>
>> Please let me know what you think. What I still haven't figured out yet
>> is how to differ weekdays that fall in school holiday periods from "normal"
>> weekdays. So work in progress.
>>
>> Polyglot
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>
> --
> Jono
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