Key:surface: Difference between revisions
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Harry Wood (talk | contribs) (more description + reorder core values + List some commonly used 'user defined' values.) |
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Information about the physical surface of roads/footpaths |
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Applying to [[Map Features]] type: Propeties/Namespace |
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The <tt>surface</tt> key is one of the additional 'properties' tags, which can be used to supply extra information in conjunction with highway ways (different classifications of roads and also footways) |
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== Core values == |
== Core values == |
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'''surface=paved''' - A [[key:highway | highway]] feature is predominantly sealed along its length, i.e. it is covered with paving stones, concrete or bitumen. |
'''surface=paved''' - A [[key:highway | highway]] feature is predominantly sealed along its length, i.e. it is covered with paving stones, concrete or bitumen. |
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'''surface=unpaved''' - A [[key:highway | highway]] feature is predominantly unsealed along its length, i.e. it has a loose covering ranging from compacted stone chippings to earth. |
'''surface=unpaved''' - A [[key:highway | highway]] feature is predominantly unsealed along its length, i.e. it has a loose covering ranging from compacted stone chippings to earth. |
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Default: If the tag is not present, it should be assumed '''surface=paved''' for all [[key:highway | highway]] types except '''highway=footway'''. |
Default: If the tag is not present, it should be assumed '''surface=paved''' for all [[key:highway | highway]] types except '''highway=footway'''. |
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== User Defined values == |
== User Defined values == |
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In addition to the above values, people have used values such as ''gravel, cobbles, cobbled, grass, tarmac, unsurfaced, sets, mud, hard, cobble, asphalt, cobblestones, sand, concrete, paving, loose, muddy, boardwalk, tar mac, none, sealed, dirt, woodchip'' See the [http://etricceline.de/osm/united-kingdom/en_stats_surface.htm Tagwatch stats]. These are user defined values, not declared part of the 'core' values above (yet) |
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Not applicable. |
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== Notes: == |
== Notes: == |
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The term paved/unpaved road is used in the UK, the term sealed/unsealed road |
The term paved/unpaved road is used in the UK, the term sealed/unsealed road may be used elsewhere. |
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Navigation software should assume that unsealed roads will have slower driving time and may be impassable in some weather conditions. |
Navigation software should assume that unsealed roads will have slower driving time and may be impassable in some weather conditions. |
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Revision as of 21:20, 1 May 2008
_-_The_Noun_Project.svg){kind=small}
 surface
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| Description |
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Describes the surface of a road  
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| Group: Properties |
| Used on these elements |
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| Documented values: 44 |
| Useful combination |
| Status: de facto |
| Tools for this tag |
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Information about the physical surface of roads/footpaths
The surface key is one of the additional 'properties' tags, which can be used to supply extra information in conjunction with highway ways (different classifications of roads and also footways)
Core values
surface=paved - A highway feature is predominantly sealed along its length, i.e. it is covered with paving stones, concrete or bitumen.
surface=unpaved - A highway feature is predominantly unsealed along its length, i.e. it has a loose covering ranging from compacted stone chippings to earth.
surface=cobblestone - A highway feature predominantly consists out of cobblestone.
Default: If the tag is not present, it should be assumed surface=paved for all highway types except highway=footway.
User Defined values
In addition to the above values, people have used values such as gravel, cobbles, cobbled, grass, tarmac, unsurfaced, sets, mud, hard, cobble, asphalt, cobblestones, sand, concrete, paving, loose, muddy, boardwalk, tar mac, none, sealed, dirt, woodchip See the Tagwatch stats. These are user defined values, not declared part of the 'core' values above (yet)
Notes:
The term paved/unpaved road is used in the UK, the term sealed/unsealed road may be used elsewhere.
Navigation software should assume that unsealed roads will have slower driving time and may be impassable in some weather conditions.
Mapping software convention varies, but generally unsealed roads are shown in a different colour but same width as their sealed cousins or be the same colour but dashed.
Examples:
| XML | Examples | Comments |
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<tag k="surface" v="unpaved"/>
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<way>
<tag k="highway" v="secondary"/>
<tag k="name" v="Baler Road"/>
<tag k="surface" v="unpaved"/>
</way>
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May apply to:
- <node>s: No
- <way>s: Yes
- <area>s: No