"ref"=>"923","railway:switch"=>"default","railway:turnout_side"=>"left"
"ref"=>"267B;269","railway:switch"=>"double_slip"
"ref"=>"231B","source:date"=>"11-09-2016","railway:switch"=>"default","railway:turnout_side"=>"right","railway:local_operated"=>"no","railway:switch:electric"=>"yes"
"ref"=>"231A","source:date"=>"11-09-2016","railway:switch"=>"default","railway:turnout_side"=>"left","railway:local_operated"=>"no","railway:switch:electric"=>"yes"
"ref"=>"303;305A","railway:switch"=>"double_slip"