Key:service
 service
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| Description |
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| Additional information about a service highway/railway/waterway, or about services offered at a business |
| Group: Properties |
| Used on these elements |
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| Documented values: 11 |
| Requires |
| Wikidata |
| Search Wikidata |
| Status: in use |
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The service tag provides additional information that depends on the context of a more "top level" tag on the same object. (service=* should not appear in isolation.) It is used to describe the service or services offered by a car shop/garage, or to drill into more detail about a types of "service" roads, railways or waterways.
Contents
shop=car / shop=car_repair
See shop=car and shop=car_repair pages for details of how the service tag is used alongside these, to describe the service or services on offer.
Highways
The service tag can be used to provide more information for a highway=service road. Add a oneway=yes/no tag if appropriate.
- service=parking_aisle
- service=driveway
- service=alley
- service=emergency_access for firefighters
- service=drive-through
- service=User Defined
Railways
service=* is used to describe minor tracks, which still are tagged with railway=*, at railway stations and yards more detailed.
Tracks running straightforward through a station without turning right or left at switches are tagged usage=main/branch/industrial/military/test without service=*. This is useful for map renderers (e.g. OSM Carto) which can hide minor tracks at lower zoom levels and for railway routing engines which can prefer the fastest way through a station (turning left/right at a switch requires the engineman to reduce the speed).
service=* is more or less independent from the train classes using a track. The service=* tag does not care if a track is only used by local trains or by long distance or high speed trains. service=* and usage=main/branch are only dependent from signalling, the permitted speed on the tracks and the points.
 | A track is either tagged with usage=* or with service=*! Execptions only exist for harbour, industrial, mine and military railway lines. Only those tracks may be tagged with both usage=industrial/military and service=* at the same OSM object. |
See also landuse=railway about mapping not accessible railway yard areas.
Yard
- service=yard
- railway:track_ref=<index number of track>
This tag is used for the tracks at yard stations which are operated by the railway company itself (in difference to spur tracks).
The difference between a yard and a siding track is the absense of main signals at yard tracks while siding tracks have main signals.
Some yards have track numbers you can see from outside the yard area. They are tagged using railway:track_ref=*. Sometimes this numbers only can be derived from the signal numbers.
Siding Track
This tag is used for tracks which run parallel to the main track and are connected to it. These tracks are used by slower trains to be overtaken or to let passengers enter/leave the train if the main tracks do not have platforms. These tracks might be hard to differ from the main tracks in some cases.
Spur Track
This tag is used for short tracks connecting a factory or power plant to the railway network.
Crossover Track
This tag is used for only few metres long tracks connecting to tracks of different directions of traffic. To be found only on double or more tracked railways. Often found in stations and at (crossover) junctions.
If a crossover track connects to spur tracks, it should be tagged with service=spur. Crossover between two service=yard is also service=yard.
Tracks should only be tagged with service=crossover if they connect to tracks which have usage=main/branch/… and no service=* tag.
See http://lists.openrailwaymap.org/archives/openrailwaymap/2015-December/000378.html and https://github.com/gravitystorm/openstreetmap-carto/issues/1971 for discussion.
Waterways
The service tag can be used to distinguish between open man-made waterways (waterway=canal) for transportation, water power, or irrigation.
