"tram"=>"yes","network"=>"Museumstoomtram Hoorn-Medemblik","operator"=>"Stichting Museumstoomtram Hoorn-Medemblik","railway:ref"=>"Os"
"tram"=>"yes","network"=>"Museumstoomtram Hoorn-Medemblik","operator"=>"Stichting Museumstoomtram Hoorn-Medemblik","railway:ref"=>"Tk"
"tram"=>"yes","network"=>"Museumstoomtram Hoorn-Medemblik","operator"=>"Stichting Museumstoomtram Hoorn-Medemblik","railway:ref"=>"Mbk"