Hi,
I just discovered that opentransportdata.swiss is listed on https://wiki.openstreetmap.org/wiki/Switzerland/Datasources. I think that it should not be listed there and explained it on the Talk page. https://wiki.openstreetmap.org/wiki/Talk:Switzerland/Datasources#Remove_open...
I am just posting here to ensure that everyone who might be interested in the topic gets informed.
Best regards
Michael