NORTH LONDON LINE: Richmond-Gospel Oak-Stratford (AC except DC Richmond-Acton Central)
EAST LONDON LINE: Highbury & Islington-New Cross Gate/New Cross/Peckham Rye (DC)
TOTTENHAM & HAMPSTEAD LINE: Gospel Oak-Barking (diesel)
WEST LONDON LINE: Clapham Junction-Wembley (DC)
All lines 2 tracks. Most lines AC or DC electrification.