Key:implicit
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 implicit
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| Description |
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Used to describe a restriction as being forbidden by physical constraints, not legal constraints 
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| Used on these elements |
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| See also |
| Status: in use |
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Description
The implicit key is used to specify that a restriction is not created due to legal restrictions, such as a sign post explicitly forbidding a turn, but rather due to physical properties that make it impossible to reasonably perform an action. Implicit turn restrictions are implied by local laws, safe driving norms, or the real-world physical layout of roads, but are not accompanied by explicit signs (posts or road paint). The absence of an implicit tag on a restriction implies implicit=no.
See Relation:restriction for more info regarding turn restrictions.
See https://labs.mapbox.com/mapping/mapping-for-navigation/implicit-restrictions/ for more information regarding usage of the implicit tag.
Values
| Values | Description |
|---|---|
| yes | This turn restriction is implicit and not explicitly signed. |
| no | This turn restriction is explicitly signed. |