Terminal 2 consists of seven sub-terminal buildings, listed 2A to 2G.
You can easily walk through the public area by following the appropriate signage.
Terminals 2A, 2B, 2C, 2D, 2E, 2F and stations for TGV-RER trains & CDGVAL light rail are all connected via walking corridors.
Terminal 2G (remote terminal) can only be reached by shuttle bus via terminal 2F.
Passengers travelling to terminals 1 & 3 should take the CDGVAL light rail.