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