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