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Deutsche Bahn starts opening their data—with vertical movers, for now

- November 3, 2015 in News

It has been a mighty long wait, but Open Knowledge Germany recently announced that Deutsche Bahn will soon hop onto the Open Data train, if you excuse that lame joke. Apart from a station dataset (Ril 100)—which could serve as an “official” and truly openly licensed data source for the large number of unofficial station lists—the biggest chunk for the soon to be released DB Open Data Portal is going to be data sets on all the elevators of all the stations operated by DB Station & Service.

DB's elevator data (red triangles) superimposed on OSM tiles. While the southernmost elevator is mapped spot-on, the subterranean one right to the north of it is not yet mapped in OSM. Map tiles © OpenStreetMap Contributors

DB’s elevator data (red triangles) superimposed on OSM tiles. While the southernmost elevator is mapped spot-on, the subterranean one right to the north of it under the intersection is not yet mapped in OSM.
Map tiles © OpenStreetMap Contributors

As explained in Open Knowledge Germany’s follow-up blogpost (complete with sample data), DB is very interested in how they can provide their data in formats palatable for the community that is going to use them, and how the OSM community might think about extending the elevator tagging schema to include, among others, unique identifiers for elevators. Said identifiers could come in handy for the rudimentary alpha-version of an elevator status API that was announced to launch right in time for DB’s 3d Hackathon—think indoor routing accounting for disabled elevators, for instance.

If you have strong opinions on rail data, elevators, tagging schemes or APIs, now would be the perfect time to chime in!

Launching the Linked Open Transport vocabularies

- October 23, 2014 in featured, News

How far do you live from work?

Did you answer this question in minutes or in kilometers? Many answer this in minutes. Now, imagine how machines would have to get to know the answer to such question for you: it would need a lot of data.

That data is in some cases, e.g., for Amsterdam, already sufficiently available as open data: open street map and the openOV initiative in The Netherlands help. Yet, to achieve this system, we need to do a huge job in integrating data and integrate these datasets on 1 machine. What if we can advance on the state of the art and use Semantic Web/Linked Data technologies to facilitate all this?

This is what I need for my PhD as well. So, we have started creating 4 vocabularies: one for transit feeds or timeschedules, one for categorizing transport datasets, one for road traffic events and one for real-time arrivals and departures of public transport.

One of these vocabularies has now been released: – the Linked GTFS vocabulary. You can help out building these vocabularies at our github repository, or you can just dig in and start using our terms. You can now browse this at our Linked Open Vocabularies project:

The benefits of Open Transport Data

- April 10, 2014 in News, opinion

The UITP has published an overview of Open Data in Public Transport and its benefits. Leave your thoughts on our mailinglist

You can find the full article at

EC Public Consultation

- October 2, 2013 in News

Hi all,

The European Commission wants to know our opinion about “Access to multimodal traffic and travel data in the European Union”. Please consider filling out this public consultation!

If you send me a link to the pdf file with your answers, I will add it over here:



One year and one day at the Open Transport WG

- September 21, 2013 in featured, News

It’s the 18th of September and 40 open transport experts gather in a small room in a conference center in Geneva (Switzerland). It’s precisely 1 year and 1 day ago that we were gathered in Helsinki to write the Open Transport Data Manifest. In meantime, this manifest has been used in the Italian Parliament, has been presented at several Open Data conferences and has been used to convince smaller transport agencies that this is the right way forward.

This one year has been a quest for problems and potential solutions. During the next year we will focus on a couple of projects we have identified as being the next steps. How we got there will be posted in a couple of blog posts during the next weeks.

Tristram at OKCon

What’s next?


Apps and the City: Berlin Transport Hack Day

- December 6, 2012 in Events, featured, News

Just a short note about the Transport Hack Day [Open Knowledge Foundation Germany]( just ran last week.

We ran the event together with the local transport provider, the Berlin government and the FH Potsdam.
The VBB released GTFS data, opened up their API and provided some geo datasets about entrances to stations.

We had over 120 people registered, lots of them were developers/designers and we had a really inspired atmosphere.
The output in numbers of apps was not as great as we would have liked due to broken datasets and the complicated API, but I think we will see some nice apps in the coming months.

* Website:
* Data:
* Source: