Key:two_sided

Description
Explicitly describes feature as two sided or not. Show/edit corresponding data item.
Group: properties
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)
Documented values: 1
Status: in use
More details at taginfo
Tools for this tag

The two_sided key clarifies if a feature that is normally one-sided (that is, facing the right side of the way) is instead two-sided (facing both directions).

Tagging

The key can be used on asymmetric ways such as barrier=city_wall or barrier=guard_rail (for example, when a guard rail is in-between opposite lanes). Another example is a two-sided barrier=kerb between lanes on a turbo roundabout. For such cases, add =yes.

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