Key:survey:date
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 survey:date
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| Description |
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Date of last time the feature was surveyed. 
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| Group: annotations |
| Used on these elements |
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| Status: de facto |
| Tools for this tag |
The key survey:date=* can be used to indicate the date when a node, way or relation was last surveyed or verified in person.
The date should be specified using the ISO 8601 standard. This standard specifies that date must follow the order year → month → day, separated by hyphen (-), such as 1990-12-24 for the 24th day of December in 1990 or 2022-02-02 for the 2nd day of February in 2022. If the exact date is not known or required, yyyy-mm or yyyy is used.
This key should only be used when providing the survey date would be of some value to the OSM community, for example the survey date of a hiking route, which is helpful to estimate the chance of it still being reasonably reliable.
Deprecated tags
See also
check_date=*- similar but more general tag, does not specify that the information was checked by surveystart_date=*- to indicate the date when the feature was physically founded or opened or when its construction officially finishedsource=*- to indicate through which means the object's information was acquired (especially useful when the source's quality is uncertain), (also in combination withsource:date=*, even withsource=surveywhich is then equivalent withsurvey:date=*).note=*- to create a note to yourself and other mappersfixme=*- to mark objects and places that need further attention- Changeset tags