Chiltern Railways has issued a warning to those travelling from Oxford to London tomorrow (July 27).
The train operator has warned that the service from Oxford to London Marylebone will be “extremely busy” meaning train users may not be able to board their first train of choice.
It urged those travelling to London Marylebone to allow extra time for their journey.
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Posting a statement this morning, Chiltern Railways said: “Saturday, July 27, services are going to be extremely busy between Oxford and London Marylebone.
“You may not be able to board your first train of choice and may have to board the following service.
“Please allow extra time if you are travelling this weekend.”
Chiltern Railways did not give a reason as to why the services will be busy tomorrow.