Due to a fault with the radio system between the driver and the signaller between Aylesbury Vale Parkway and London Marylebone all lines are blocked.
Impact
Train services running to and from these stations may be delayed by up to 15 minutes. Disruption is expected until 13:15 19/05.
Customer Advice
We're sorry for the delay to your journey. If you have been delayed by 15 minutes or more, then you are likely to be entitled to compensation. Claims can be made via this web link: https://www.chilternrailways.co.uk/delayrepay15
Additional Facilities Information
Last Updated: 19/05/2026 12:29