The Nordhausen Tram system was expanded by the simple expedient of connecting up to the Harz Line just by Nordhausen Tram and Railway Station and purchasing some BiMode Trams. We think (well idiot politicians and DOT do) that Tram Train and BiMode are the new way ahead and need to be experimented with in a calculated way for special UK circumstances. Germany was doing Tram Train before the Wall came down in Chemnitz and the Harz BiMode Trams have been going for a good few years now. I first photed them in 2010 on my Steam Railway Trip to the Harz.
The line to the Right below is the connecting line to the Nitdhausen HsB line.
Here is a Tram just beyond the last picture where it enters the HSB lines proper.
Well worth doing if you are in the area, oh and do not forget the Halberstadt Trams also Metre Gauge and long in jepordy of closure.
JonD