The 00.18am and 00.46am London to Colchester services will terminate at Witham, where a rail replacement bus service will complete the journey via Kelvedon and Marks Tey. The total journey time for passengers from London to Colchester on dates when there is travel disruption will take between 1hr 24min and 1hr 42min. The London Liverpool Street to Ipswich service will terminate at Colchester, where passengers – including those heading to Manningtree – should change for the Norwich service. The 4.43am service from Colchester to London will start from Witham at 5am. A a rail replacement bus service will depart Colchester at 4.10am and stop at Marks Tey at 4.26am, Kelvedon at 4.38am, and Witham at 4.50am.