Work has started on a new transport system at Heathrow Airport.

The Personal Rapid Transport System will consist of a fleet of 1188 low energy, battery powered, driverless vehicles.

The zero local emission transport will carry passengers and their luggage along a dedicated guide way.

Phase one is currently under construction with 3.8km of guide way and 18 vehicles, linking Terminal 5 with the business car park.

It is due to open to passengers in 2009, following the opening of Terminal 5.

If successful, the system will be extended across the airport and in other urban locations.

Mark Bullock, managing director of Heathrow Airport, said: "This innovative system forms part of BAA's plan to transform Heathrow, improve the passenger experience and reduce the environmental impact of our operation through the development of cutting edge, green transport solutions.

"It offers a completely new form of public transport - one that will deliver a fast, efficient service to passengers and bring considerable environmental benefits, saving more than half of the fuel used by existing forms of public or private transport.

"Not only that, it's a world first."

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