Tag:usage=industrial
 usage = industrial
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| Description |
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Specifies that a railway (or aerialway) is an industrial line, railway tracks in private use that serve only freight transport to/from ports, industrial complexes or mining areas, and for connecting these to the public network. 
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| Group: properties |
| Used on these elements |
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| Useful combination |
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| Status: de facto |
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The tag usage=industrial is used together with railway=* to map an industrial line: railway tracks in private use that serve only freight transport from/to ports, industrial complexes or mining areas, and for connecting these to the public network.
In the USA, may serve factories or clusters of industrial activity along a rail spur in (often urban) industrial-zoned areas. Examples: Large surface mining areas (coal, minerals, ore), chemical industry, large harbours, high-density industrial oil refinery areas.
This tag is most often used with railway=rail and railway=narrow_gauge.
See service=* to tag a siding, yard tracks, crossover or overtaking tracks.
Other values of usage=*:
| Tag | Comment |
|---|---|
| usage=main | Main line, presumably heavy traffic, often double tracked and/or electrified, may be high speed. |
| usage=branch | Branch line, less traffic and lower speed than main lines, often single tracked and/or not electrified, may be constructed to lower specifications than main line. May connect a place to a mainline or serve to connect mainlines, typically a few dozen miles in length. |
| usage=military | Tracks for military use, mainly on military areas, munitions storage areas or connections to the public railroad network. |
| usage=test | Tracks used for testing of new vehicles or new rail transport technologies. |
| usage=tourism | Tracks for tourists, around museums, historic or "heritage" trains, often only on weekends and holidays and/or seasonally, most preserved railways (railway:preserved=yes) |
On aerialways
usage=industrial is also used with aerialway=* to specify that an aerialway is used for industrial purposes only, instead of the unspecific value aerialway=goods.