Tag:retaining_wall=flood_wall

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Public-images-osm logo.svg retaining_wall = flood_wall
Description
A retaining wall which has a primary function in flood defense
Group: restrictions
Used on these elements
should not be used on nodesmay be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination

barrier=retaining_wall

See also

barrier=coupure barrier=wall

Status: undefined

Use the tag retaining_wall=flood_wall as subkey for barrier=retaining_wall to indicate that the retaining wall is built for flood defense purposes. Note the difference with barrier=wall + wall=seawall which is built to protect the land from erosion by the sea.