descriptopm

"crossing:island"=>"yes"

"supervised"=>"no","crossing:bell"=>"no","crossing:light"=>"no","crossing:barrier"=>"no","crossing:saltire"=>"no"

"crossing"=>"uncontrolled","crossing_ref"=>"zebra"

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

"crossing"=>"traffic_signals"

"crossing"=>"traffic_signals"