From OpenStreetMap Wiki
| highway = raceway
|Used on these elements|
|Tools for this tag|
|This tag page is a stub. You can help OpenStreetMap by expanding it.
Similar pages for structural reference; Tag:railway=tram, Tag:waterway=dock
Related / Keys
|raceway=*||start,finish,start-finish||Node||Marks the start and end of the track. In cases where this is the same node then a value of start-finish|