Comparisons between light rail and rapid transit or metro are shown, as well as between different light rail systems. The narration is comprehensive and technically oriented (although an engineering degree is definitely not necessary for understanding). It will appeal to any railfan with an interest in new light rail systems, and as valuable background for light rail advocates.
55 minutes, all color, full soundtrack
Other TGM titles of interest to light rail advocates are:
Light rail advocates can find a huge collection of resources (including more links) at the web site of the Light Rail Transit Association.
Official transit agency web pages can be found here for:
Calgary,
Portland,
and Sacramento.