The Pointe du Lac station is served by a recently opened busway. The line 393.
Line 393 at its western terminal stop "Thiais, Carrefour de la Résistance".
Where it uses the busway of the TVM.
Pointe du Lac, not only the bus 393 use the buway near this station. It is not visible in the map bellow as these bus lines are not RATP.
SETRA Line 23
STRAV Line K
Here a map of the line 393
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Note that a new RER D station is under in construction at Pompadour, it should open by 2013 and will replace the old Villeneuve Prairie station.
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Irisbus Crealis, line 91
This is one of two existing in the RATP network, (the other one is on the TVM). It was a test for the new bus line 393 but this bus model was too expensive and didn't offert much more than the Iribus Citelis 18.
Irisbus Crealis next to a Renault Agora L