Proposed features/Designation

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Designation
Status: Post-Vote (under way)
Proposed by: RichardMann
Tagging: designation=*
Applies to: way
Definition: the official classification of an object
Rendered as: Not rendered
Draft start: 2009-05-01
RFC start: 2009-06-10
Vote start: 2011-03-01
Vote end: 2011-03-15

Contents

Proposed new key: designation

Page updated to make description more inclusive.

Rationale

Often, an entity will have an official designation or classification. This is surveyable and useful information in itself, and thus deserves a place in OSM.

In addition, the tags can be parsed by specialist apps which value the "richness" of meaning - which is sometimes more than can be readily achieved with atomic OSM tags. To tag every way with the 200 individual facts set out in the legislation would lead to bloat and redundancy.

For example:

The designation= tag avoids the tag bloat that would result from inventing dedicated tags for each of these objects (e.g. 'formal_road_classification=', 'waterway_class=', 'ramsar=yes').

To clear up three misconceptions:

Applies to

Usage

This is a freeform tag. Any value may be used. Mappers (and those writing editor presets) should pay attention to local usage and try to accord with it. For example, in England and Wales, the values 'public_footpath', 'public_bridleway', 'byway_open_to_all_traffic' and 'restricted_byway' are already popular for path tagging, following local Right of Way legislation.

As with all tags in OSM, the rendering/routing client is expected to parse the tag in its geographical context.

About this vote

This tag is already in use (>22000 instances), especially in England and Wales. It will be added to Potlatch 2's presets in a forthcoming update.

The purpose of this page is to document its meaning and to formalise its "approval" for those who care about these things.

Voting

Please add your vote below

(At this point the page was rewritten.)

See also

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