Street course of Hohensaas per OpenStreetMap.
Rödelswäldchen			https://www.openstreetmap.org/#map=16/50.3312/11.9405
Bahngelände			https://www.openstreetmap.org/#map=18/50.30701/11.92392
Hohensaas			https://www.openstreetmap.org/#map=15/50.3147/11.8774
Contributors to OSM