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OpenStreetMap community
5223 readers
25 users here now
Everything #OpenStreetMap related is welcome: software releases, showing of your work, questions about how to tag something, as long as it has to do with OpenStreetMap or OpenStreetMap-related software.
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Join OpenStreetMap and start mapping: https://www.openstreetmap.org/.
There are many communication channels about OSM, many organized around a certain country or region. Discover them on https://openstreetmap.community/
https://mapcomplete.org/ is an easy-to-use website to view, edit and add points (such as shops, restaurants and others)
https://learnosm.org/en/ has a lot of information for beginners too.
founded 6 years ago
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geteilt von: https://feddit.nl/post/33407329
We've all already talked about switching away from google/apple maps to something like openstreetmaps, mapy, tomtom amigo, etc. But all of these services use openstreetmaps (UK non-profit) as a source and they still miss a lot of local data even for bigger cities!
If you have some spare time, think about adding a bit of data to the map with your local knowledge. There's a lot of business data missing that is on google maps like websites, phone numbers and opening hours but also stuff like parking lots and whether they're publicly accessible and free or not. Adding these makes the competition of ALL services using OSM as a source better.
I also use the mobile app https://streetcomplete.app/ and https://every-door.app/ to add data while on my walks, these make my walks more engaging and I actually take longer ones + see new places because of it. Streetcomplete also has a focus on important and easy to collect data with their default filters, and you can choose what you want to contribute.
If you really want to get into the thick of it and contribute more than just simple data you can always check out https://wiki.openstreetmap.org/wiki/How_to_contribute and see in which of the many ways you can contribute!
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30 km/h limit data analysis shows that what matters for compliance is not the limit, but the features of the streets (from OSM data)
(senseable.mit.edu)
This study from MIT used geo data collected from cars in Milan, Italy, to check the effectiveness of 30 km/h zones in reducing speed.
The first conclusion is that the signs don't work: 85 percentile speeds are all over the place in 30 km/h zones in Milan, as shown in the figure below:
The second step was finding correlations between speeds and street features extracted from openstreetmap. Results are as expected: narrow, short, curvy sections correlate with lower speeds, as do 1 lane vs more, one way vs 2 ways:
The final step is also interesting: the authors made a model to predict the compliance of 30 km/h speed limit on streets that are 50 km/h at the moment. Useful for urban planning to understand if charging an area to 30 km/h would need structural interventions (like bumps, narrowing of the street...) or not:
There is so much more in the article, I suggest to read it fully.
crossposted from: https://mastodon.uno/users/rivoluzioneurbanamobilita/statuses/114827312307353297
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