A speed restriction over defective track between Alexandra Palace and Hertford North means trains have to run at reduced speed on the line towards Hertford North. As a result, trains running between Alexandra Palace and Stevenage via Hertford North may be delayed by up to 5 minutes.
This is expected until 18:00.
Customer advice:
Services running from London towards Hertford North may be subject to minor delays.
You will be able to travel on your intended train, but you may need to leave additional time to complete your journey.
For the latest information, you should listen to announcements, check station screens, and consult journey planners.
Planning your journey:
You can use live departure boards, and a live map of the network.
You can see an alternative route guide.
If you’re travelling within London, you can use the TfL Journey Planner.
Stay up to date on the move with Great Northern's WhatsApp channel. Live updates are available Monday to Friday, 07:00–21:00.
Can you tell me more about the incident?
A track defect was reported along this route earlier today. Network Rail engineers attended, and confirmed that it is safe for trains to run. However, trains will run at a lower speed than normal until Network Rail have rectified the defect.
Check before you travel:
You can check your journey using the National Rail real-time Journey Planner.
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.