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I am interested in getting data on when different entities were constructed or become operational. For example, when was a specific road built or opened for traffic? If there is no such direct data, maybe OSM has some historical archive from which I will be able to infer those dates Thanks a lot! |
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OSM has historic data but that will only tell you when something has been added to OSM, not when something has been built. As a trivial example, looking at the 2005 archive data would tell you that there wasn't a single building on the planet. Some mappers record information on when something has been built, usually in the "start_date" tag, but you will find this relatively rarely used. There's also http://openhistoricalmap.org/ which, unlike OSM, aims to also record things that have ceased to exist. Thanks a lot!
(28 Feb '22, 13:39)
tomermilo
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In general you should look in Wikidata. OHM has more "older" history than recent roads.