An obstruction on the track at Watford High Street means services running between Watford Junction and London Euston may be cancelled or delayed by up to 20 minutes.
This is expected until 07:45.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
âââââââCompensation:
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.