Kerb guided trolleybus & tram at Essen's Berliner Platz stν

[postlink]http://athens-trolley.blogspot.com/2010/01/kerb-guided-trolleybus-tram-at-essens.html[/postlink]http://www.youtube.com/watch?v=LWfXFdaoRN4endofvid
[starttext]
[endtext]