Hi Phil,

I think this was the one you refer to? (Posted by Dirk)

http://bavaria-modellbahnen.de/index.php/neues-und-projekte-in-n/64-erstes-mustermodell-koeln-bonner-rheinuferbahn-in-n-fuer-lemke-collection

Futher to my reply Tim's suggestion, I thought i'd link back to a previous the RoG thread which provided me with some answers.
http://germanrail.8.forumer.com/viewtopic.php?t=2346&highlight=tram

http://veldeninn.blogspot.com/ (On hold...a long one)
http://sdjroo.blogspot.com (Current project)