Trains in and out of London Liverpool Street are affected by engineering work this weekend.On Saturday, there will be a bus replacement service in operation all day on the Cambridge line between Bishops Stortford and Audley End in both directions.

Trains in and out of London Liverpool Street are affected by engineering work this weekend.

On Saturday, there will be a bus replacement service in operation all day on the Cambridge line between Bishops Stortford and Audley End in both directions.

There are late night alterations between Witham and Colchester. The 11.48pm and 0.18am London Liverpool Street to Colchester services will be replaced by buses.

On Sunday, there will again be bus replacement services between Bishops Stortford and Audley End.

Buses will replace trains between Witham and Colchester until 8.30am, followed by a reduced service until 1.30pm.

Intercity services will only operate between Colchester and Norwich, and a special half-hourly service will run between London Liverpool Street and Colchester in both directions.

Buses replace trains all day between Wickford and Southend Victoria. Prittlewell station is closed.

Further information is available by calling National Rail Enquiries on 08457 484950.