There is a reduced service this weekend on the Greater Anglia Chingford to London Liverpool Street line.
Due to track renewal works between Seven Sisters and Bethnal Green, there will be no service beyond Walthamstow Central.
Valid rail tickets are being accepted on the Victoria Line between Walthamstow Central, Seven Sisters and central London.
Tickets are also being accepted on bus services between Seven Sisters, Walthamstow Central and Liverpool Street.
On Sunday, the line will operate as normal but trains will not be stopping at Bethnal Green station.
Customers with a valid rail ticket are being advised to use local bus services.