Rail travellers will face bus journeys instead today and tomorrow on two Suffolk routes due to engineering works.
The planned works are taking place between Ipswich, Felixstowe and Saxmundham.
Abellio Greater Anglia said the services would be disrupted until 2am on Tuesday.
All services between Ipswich and Felixstowe will be replaced by buses throughout.
All services between Ipswich and Lowestoft via Saxmundham and Beccles will be replaced by buses between Ipswich and Saxmundham.
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