Only the self-contained Paddington to Abbey Wood core section will be part of the initial opening. Trains from Stratford will still be terminating at the same

Only the self-contained Paddington to Abbey Wood core section will be part of the initial opening. Trains from Stratford will still be terminating at the same high-level platforms at Liverpool Street. Through running into the core tunnels (and thus a signalling system change) will come later.