Key:traffic_sign:direction

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Public-images-osm logo.svg traffic_sign:direction
Description
The direction affected by a traffic_sign=* relative to the highway=* way (equivalent to direction=*) Edit this description in the wiki page. Edit this description in the data item.
Group: highways
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Requires
See also
Status: in use

The key traffic_sign:direction=* indicates the direction affected by a traffic_sign=* relative to the highway=* way. It is used when traffic_sign=* is a node on the highway=* way. Possible values are forward and backward:

Value Meaning
forward The traffic sign affects vehicles travelling in the same direction as the direction of the highway=* way.
backward The traffic sign affects vehicles travelling in the opposite direction as the direction of the highway=* way.

The key traffic_sign:direction=* has been introduced[1][2] by the iD editor in September 2018 (and released[3] in December 2018 by v2.12), because the editor couldn't handle the keys traffic_sign:forward=* and traffic_sign:backward=*, which were already in use. It is unknown why the key direction=*, which was also already in use and has the same meaning as traffic_sign:direction=*, wasn't used instead.

References

  1. Bryan Housel: [Tagging] Traffic sign direction tagging... OSM Tagging mailing list, 2018-09-28 online
  2. quincylvania: Adds presets for Traffic Sign, Speed Limit Sign, and City Limit Sign #5333. GitHub, 2018-09-28 online
  3. https://github.com/openstreetmap/iD/blob/develop/CHANGELOG.md#2120