A railway or other kind of railed track.
If it is forbidden to run along the railway, it shall be combined with symbol Out-of-bounds route (711). If it is forbidden to cross the railway, it must be combined with symbol Area that shall not be entered (520) or Out-of-bounds area (709).
Minimum length (isolated): two dashes (4 mm – footprint 60 m).
Colour: black, white.