The seven-mile (11km) route would have gone from Mickleover and Mackworth to Pride Park, with a possible extension to the High Speed 2 rail hub at Toton.

BBC: Nottingham tram

If they go ahead, they'll also be used for the High Speed line HS2 and the Northern Line extension to Battersea.

BBC: London's underground boring renaissance

To try to make up for the time lag, the two European companies have set up research offices in Japan and routinely conduct market surveys to understand what makes i-mode tick and, by extension, how consumers might react to high-speed Net access from their phones.

CNN: ASIANOW - TIME Asia | Phone Wars: Episode 3G