LONDON OVERGROUND: Saturday 19 and Sunday 20 September, no service between New Cross Gate and Crystal Palace / West Croydon. Replacement buses operate

LONDON OVERGROUND: Sunday 20 September, no service between Wandsworth Road and Clapham Junction, trains are diverted to/from Battersea Park instead. Please use local Southern and London Buses connections.

LONDON OVERGROUND: Saturday 19 and Sunday 20 September, no service between Gospel Oak and Barking. Replacement buses operate between Gospel Oak and Seven Sisters (for South Tottenham), and between Walthamstow Central and Barking. Use Victoria line connections between Seven Sisters, Blackhorse Road and Walthamstow Central.

Replacement buses operateService J: Gospel Oak (Highgate Road) - Upper Holloway - Crouch Hill (Hornsey Road) - Finsbury Park (for Piccadilly and Victoria lines and National Rail) - Harringay Green Lanes - Seven Sisters (for Victoria line and London Overground)Service T: Walthamstow Central - Leyton Midland Road - Leytonstone High Road (Harrow Green) - Wanstead Park - Woodgrange Park - East Ham (set down towards Barking, pick up towards Walthamstow) - Barking.