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Is Tesla using OpenStreetMap data?

So far, I have found the following:

--TreeStryder (talk) 03:29, 29 December 2020 (UTC)

Do you expect your observations to have particular consequences?

--Polarbear w (talk) 17:04, 29 December 2020 (UTC)

For context, I have been contributing to OpenStreetMap for 11 years and have owned a Tesla Model 3 for 2 years. It is obvious that most of the quirks exhibited by Tesla vehicles are caused by them believing their map data; wrong/missing speed limits before a sign is seen, creative routing, late/early/unnecessary lane changes, delayed/missed traffic signal/sign discovery, ignored parking isles, "phantom braking" due to inaccurate mapping or no map data to give the car more confidence in a situation, etc. I hear that Tesla is working to make the car more dependent on its own vision, than on its map data, but it will always need a reliable map. Just like a human would, when driving in a new location (having no mental map). All this to say, if Tesla is using OpenStreetMap data, I would focus some of my limited time toward improvements beneficial to Tesla's full self-driving future.

I have looked for Tesla attributing OpenStreetMap and have not found it yet. This could be because they are distanced from the data. I recently found on a job description "Experience with open source mapping tools (e.g. MapBox) preferred". Valhalla is MIT licensed, no attribution needed. And, it is likely they are getting their Valhalla tiles from a 3rd party.

--TreeStryder (talk) 00:41, 31 December 2020 (UTC)

If it ended up that they were not using OSM data (which I agree is unlikely given all the evidence you've identified, plus others), how would you seek to improve it anyway? OSM is community-sourced, other geodatabases may not be. If an error exists in OSM but not elsewhere, it's easy to fix; if an error exists elsewhere but not in OSM, that's a sign Tesla (and others) should be using OSM. Arlo James Barnes (talk) 08:40, 18 December 2021 (UTC)