descriptopm

"supervised"=>"no","crossing:bell"=>"yes","crossing:light"=>"yes","crossing:barrier"=>"half","crossing:saltire"=>"yes","crossing:activation"=>"automatic","crossing:supervision"=>"automatic"

"crossing"=>"traffic_signals"

"crossing"=>"marked","crossing:island"=>"yes","kerb"=>"no"

"crossing"=>"uncontrolled"