In the pic 507, it is not a RER but a suburbs trains of the Sncf Transilien L network, this network is really efficient and frequent.
In the pic 516, it is inside a MP89 train of the Metro line 1.
In the pic 529, it is the line 3, I love the interior of the refurbished MF67 train. These have dynamic map panel (Like refurbished MF77 (line 13), MF2000 (line 2), MI2N (RER A), refurbished MS61 (RER A) and refurbished Z 6400 (Transilien L network).
In this pic 531, it is the line 8, this line have an great overground section in Creteil municipality.
In the pic 543 you will see the interior of the new MF2000, one or two train of this type run in the line 2.
The whole line would be fully equiped by 2010.
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