I recently learned that with smart traffic lights cyclists can change traffic lights - https://nltimes.nl/2026/04/28/new-app-turns-traffic-lights-g...
https://popupcity.net/insights/rotterdam-traffic-light-prior...
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I recently learned that with smart traffic lights cyclists can change traffic lights - https://nltimes.nl/2026/04/28/new-app-turns-traffic-lights-g...
https://popupcity.net/insights/rotterdam-traffic-light-prior...
We need global open congestion data. At least on the european scale. It's important so that alternatives to Google Maps and Waze (Google) can emerge. To create congestion data, one needs to own an OS with location tracking, or be an international mobile network. Won't happen. [disclaimer : I work on an open source alternative to big tech's maps]
Earlier quoted context omitted.
Another reason could be that calling this OpenTrafficMap gives an impression that it is similar to OpenStreetMap, which is global.
OSM launched as a London / UK project. Even today, it's a lot more comprehensive in some parts of the world than others. If I got the impression that it was like OSM, that would give me the impression that it is only as global as my contributions to it (which is what lead to OSM becoming global).
I don't get why there isn't even a stub repo for a mobile app to contribute with. Or am I just not finding it?
We need global open congestion data. At least on the european scale. It's important so that alternatives to Google Maps and Waze (Google) can emerge. To create congestion data, one needs to own an OS with location tracking, or be an international mobile network. Won't happen. [disclaimer : I work on an open source alternative to big tech's maps]
What is the OS alternative? OSM?
I haven't seen a theme on OSM data look this modern and fresh before. Beautiful color palette and iconography!
Earlier quoted context omitted.
What is the OS alternative? OSM?
https://cartes.app . Based on OSM of course, but OSM is just a geographical database, with lots of incomplete UIs built on top by the community. Cartes is one of them, we're trying to make it complete and modern :)
When opening the map on Firefox/Linux zooming to like a France-size view and then not doing anything, the view keeps scrolling up and down relatively slowly, but very annoyingly.
Zooming all the way out, it looks like the globe is jiggling back and forth ever so slightly, but continually.
I've recently seen this happen on another mapping application ( cannot remember which one) so it's probably in down the stack somewhere in a library you are using.
We need global open congestion data. At least on the european scale. It's important so that alternatives to Google Maps and Waze (Google) can emerge. To create congestion data, one needs to own an OS with location tracking, or be an international mobile network. Won't happen. [disclaimer : I work on an open source alternative to big tech's maps]
The risk of the data being invalid seems as risky as the privacy implications in this case.
I recently learned that with smart traffic lights cyclists can change traffic lights - https://nltimes.nl/2026/04/28/new-app-turns-traffic-lights-g...
Unfortunately there was no API with data on which intersections have traffic lights and I had to build these routes manually in Strava using satellite images.
I did learn in the process that some traffic light data is actually available from the government, but only for selected partners. The Flitsmeister app for example has it and shows at some traffic lights how long it will take for the light to turn green (in a car, not on a bicycle)
We need global open congestion data. At least on the european scale. It's important so that alternatives to Google Maps and Waze (Google) can emerge. To create congestion data, one needs to own an OS with location tracking, or be an international mobile network. Won't happen. [disclaimer : I work on an open source alternative to big tech's maps]