hsimpson
Hi,
the German Wiki gives railway:preserved=yes + draisine=yeshttps://wiki.openstreetmap.org/wiki/DE:Key:railway:preserved
Taginfo shows 52 ways and 2 nodes with draisine=yes: https://taginfo.openstreetmap.org/tags/draisine=yes mostly in Germany, but also some in Sweden and Italy: http://overpass-turbo.eu/s/uL1