LONDON OVERGROUND: Sunday 20 January, no service between Romford and Upminster. Use local London Buses routes 165 248 and 370 instead.
LONDON OVERGROUND: Saturday 19 January, no service between South Tottenham and Barking. Replacement buses operate between Walthamstow Central and Barking. A reduced service operates on the rest of the line with trains every 30 minutes.
Replacement buses operateService T: Walthamstow Central - Leyton Midland Road - Leytonstone High Road (Harrow Green) - Wanstead Park - Woodgrange Park - East Ham (for London Underground only, bus sets down only towards Barking and picks up only towards Walthamstow)For connections between Seven Sisters (For South Tottenham), Blackhorse Road and Walthamstow Central please use the Victoria line