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Lines reopened: disruption between Rickmansworth and London Marylebone expected until 21:15 

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Service alteration details

Incident reported: Tuesday 18 August 2026 at 19:51

If you would like to follow this incident on X, please useRickmansworth

Last updated

Tuesday 18 August 2026 at 20:23

Train operators affected

Route(s) affected

Between Aylesbury Vale Parkway / Aylesbury and London Marylebone

Description

All lines have now reopened following an earlier fault with the signalling system between Rickmansworth and Harrow-on-the-Hill. Trains running between Rickmansworth and London Marylebone may continue to be cancelled, delayed by up to 20 minutes or revised.

Disruption is expected until 21:15.

Customer advice:

You may use your ticket at no extra cost on the following services:

  • Carousel Bus routes 1 / 1A / 1B / 1S between High Wycombe and Amersham

  • Elizabeth line between Reading, London Paddington and Central London

  • London Underground services on the following routes:

    • Bakerloo line between Marylebone, Paddington and Oxford Circus

    • Central line between West Ruislip, South Ruislip and Oxford Circus

    • Metropolitan line between Amersham, Rickmansworth, Harrow-on-the-Hill and Baker Street

Road transport has been organised to operate between Amersham and High Wycombe.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.

You can find the pick-up and drop-off location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.

Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.

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