Tag:highway=corridor
 highway = corridor
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| Description |
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A corridor inside a building 
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| Group: highways |
| Used on these elements |
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| Useful combination |
| See also |
| Status: de facto |
| Tools for this tag |
highway=corridor is used to map a hallway inside a building with some indoor tagging schemes. Some more recent tagging systems, such as Simple Indoor Tagging, use a different set of tags under the indoor=* key.
Rendering
Currently, the Humanitarian OSM Team renders corridors as thin white lines inside of buildings. OSMAnd renders them similiar to the footways.
Comparison
As of 2024-09, there are 69680 highway=footway + indoor=yes , more numerous than the 52093 highway=corridor instances. Close to 80% highway=corridor also have indoor=yes added, with overlapping meaning. For other highway=* features, indoor=yes has been used on 28456 highway=steps , 6988 highway=elevator , and 2825 highway=service roads.
In contrast to highway=footway, highway=corridor seems to be ignored by some routing engines (as of 2025-08, at least GraphHopper and OSRM ignore it, while Valhalla seems to understand it), leading to problems if corridors are meant to have connecting function through a building.
See also
conveying=*to tag escalators and moving walkwayscovered=*to indicate that the corridor is covered (for ways outside of a building)tunnel=building_passagefor ways that go through a building- Indoor Mapping proposal
- Talk:Simple Indoor Tagging#highway=footway/steps inside buildings: on using ways in the SIT system
indoor=corridor: Only in the area- CERN, uses this value for particle accelerator paths
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