TheTrams.co.uk - Information, routes, and photographs of the various tram and light rail systems in the UK. - http://www.thetrams.co.uk/
Light Rail Transit Association - Contains introduction to subject, news, technical and policy documents, photographs, membership information, events, tours, history, new and developing systems, and publications. - http://www.lrta.org/
Fylde Tramway Society - Includes news, publications, events, restoration, and histories of Blackpool area and Birkenhead trams. - http://tramway.com/fts/