"board_type"=>"history","information"=>"board"
"mtb"=>"yes","ref"=>"20977/001","horse"=>"yes","hiking"=>"yes","bicycle"=>"yes","operator"=>"Nationale Bewegwijzeringsdienst","guidepost"=>"paddenstoel","information"=>"guidepost"
"mtb"=>"yes","ref"=>"63415/002","horse"=>"yes","hiking"=>"yes","bicycle"=>"yes","operator"=>"Nationale Bewegwijzeringsdienst","guidepost"=>"paddenstoel","information"=>"guidepost"