Trolleybus Associations and Groups
The National Trolleybus Association: www.trolleybus.co.uk/nta
The Bradford Trolleybus Association: www.bradfordtrolleybusassociation.co.uk
Trolleybooks, trolleybus book publishers: www.trolleybooks.co.uk
National Association of Road Transport Museums: www.nartm.org.uk
The BTS enjoys a good relationship with Busportal.cz, the Czech internet magazine for the transport industry. Busportal.cz regularly publishes news items about Czech trolleybus manufacturers and operators, and the magazine's editor, Dagmar Braunova, is a regular contributor to Trolleybus. Follow the link to see Busportal.cz's item on William's Wheels, translated from an article in the August issue of Trolleybus.
The TBus Group, promoting the return of trolleybuses to Britain: www.tbus.org.uk/home.htm
TrolleyMotion, an international action group to promote modern trolleybuses: www.trolleymotion.com/en/
The West Yorkshire Metro site trolleybus project page: www.wymetro.com/ProjectsAndPlans/NewGenerationTransport/070614-2.htm - this link is currently broken, and has been reported.
The Classic Buses Website
Trackless Trolley Gazette
North America - Trolleybuses.net