Dumping some pictures from
https://www.flickr.com/photos/locationunknown/42032042182/in/photostream/To illustrate trackbed cunstruction method.
A bridge span just about to be poured. The longest bridge in the system. In that way it is the win, all the challenging parts are in the first phase of the tramway, the long bridges crossing the ravine on the way to Hervanta and the several motowrway crossings, piercing the city east west, crossing the Pispala istmus.
