Chiltern Railways has warned customers to expect disruption as ASLEF industrial action hits the network between 29 September and 6 October.

On Saturday 30 September and Wednesday 4 October, no Chiltern Railways services will run on any route due to strike action by ASLEF.

An overtime ban by the union is also in place on Friday 29 September and 2, 3, 5 and 6 October. This will mean a reduced service across most of the Chiltern Railways network, varying by route and station, and some early morning and late-night alternations to train times. Customers should ensure they check their full journey before travelling.

On Friday 6 October, an RMT strike on the London Underground network will affect services along the Metropolitan Line, meaning that Chiltern Railways services will not be able to call at stations between Harrow on the Hill and Amersham.

Customers are also reminded that engineering works will affect some journeys prior to the industrial action taking place, with buses replacing trains on some routes in the final week of September. Further information on engineering works can be found here.

Chiltern Railways is urging customers to check before they travel at www.chilternrailways.co.uk, or the Chiltern Railways app.

Service levels – industrial action

Friday 29 September

Early morning and late-night alterations.
Regular timetable between London Marylebone and Oxford/Birmingham Moor Street.
Regular timetable between Stratford-Upon-Avon and Leamington Spa.
Owing to engineering works, services between Aylesbury Vale Parkway and London Marylebone will operate before 1000 and after 1800. In between these times, a rail replacement bus will serve stations between Aylesbury Vale Parkway and Amersham to connect to the London Underground network.

Saturday 30 September and Wednesday 4 October

No Chiltern Railways services on any route.

Monday 2 and Tuesday 3 October

Early morning and late-night alterations.
Regular timetable between London Marylebone and Oxford.
One train per hour between London Marylebone and Birmingham Moor Street (and vice-versa) – with additional trains during peak periods.
One train per hour between London Marylebone and Aylesbury Vale Parkway (and vice-versa) – with additional trains during peak periods.
Shuttle service between Stratford-Upon-Avon – Leamington Spa during the hours of 0730 and 1900.
No service at South Ruislip, Northolt Park, Sudbury & Harrow Road, and Sudbury Hill Harrow stations.

Thursday 5 October and Friday 6 October

The timetable will be as above, but with the following changes:

On Thursday 5 October, Chiltern Railways will be unable to call at stations between Harrow on the Hill and Amersham until 0800, owing to the previous day of RMT strike action on the London Underground network.
On Friday 6 October, Chiltern Railways will be unable to call at stations between Harrow on the Hill and Amersham, owing to RMT strike action on the London Underground network.

Customers can access further information on industrial action and service provision by visiting www.chilternrailways.co.uk/strike.