This paper presents the PRAXITELE project, which is under development at INRIA in cooperation with industry and public transit operators. The project includes a vision technique for platoon driving of a fleet of homogeneous electric cars. Thesecars, under supervision from a central computer, will form a novel public transportation system now under development in France. In the first version of the system, the public cars are driven by their users but their operation will be automated in someinstances when no-one is on board. For later versions, fully automated driving (with passengers) is considered on dedicated tracks and on low-traffic road networks at slower speed. The paper will focus on the vision and control techniques now developedfor the first version. We wish to be able to drive a "train" of empty public cars with only one driver (in the front car). This fonction is needed to pick up cars which have been abandonned in various locations and to redistribute them to appropriatelocations. Trains can be up to six cars long and the distance between cars will vary between 1 and 5 meters depending on the speed, this system works very efficiently with speeds up to 50 km/h. When one car has reached its destination, it can leave theplatoon and parallel park all by itself.This paper will present the platooning technique based on vision with a linear camera.
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