Personal Rapid Transit (PRT) is a system of fully automatic clean, driverless vehicles that run on guideways to segregate them from other traffic and pedestrians.



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Note added at 31 mins (2008-01-24 20:31:29 GMT)
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THE VIA RESERVADA REFERS TO A "RESERVED PLATFORM" IN "CORRIDORS" FOR NEW AUTOMATED PUBLIC TRANSPORT - THE VEHICLES MAY RUN ON TRACKS OR NOT.

The proposed system is structured around two corridors, with more than 40 kilometres, in which a reserved platform for the vehicles of public transport will be built. On this platform a hybrid system of guided bus/tramway will be used. This system has been selected to combine the cargo capacity, accessibility, speed and regularity of a railway-based solution with the flexibility, adaptability and smaller costs of a road-based system. The vehicles will travel on a reserved platform, although on some stretches of the itinerary they will circulate through shared infrastructure. At intersections, the bus/tramway will be given priority over the private traffic. The vehicles to be used will be hybrid vehicles with electrical traction and a guidance system to assure the greatest accessibility at the stops and to allow the circulation and operation in sections where they will have to share the roadway with the private vehicles.
http://www.citymobil-project.eu/site/en/newsDetail.php?nid=2...

The Spanish city of Castellón will adopt bimodal buses that are capable of operating both manually and automatically – depending on where they are. In the new exhibition centre in Rome, a fleet of fully automated cybercars will be part of the fleet of vehicles that carry people between the car park, the railway station and the exhibition centre, while Heathrow will have a transit system that will carry people between the terminal and the car park in fully automated vehicles running on tracks.

http://www.physorg.com/news74263183.html