Engineering work is taking place overnight until approximately 04:50 on Tuesday morning between Alexandra Palace and Stevenage via Hertford North, closing some lines.

The 01:10 London Kings Cross to Hertford North service will terminate at Finsbury Park. A rail replacement bus will run between Finsbury Park and Hertford North, calling at all stations except Harringay and Hornsey. Paper rail tickets will be accepted on London Buses for Harringay and Hornsey.

The 04:24 Stevenage to London Kings Cross service will divert via Welwyn Garden City. A rail replacement bus will run between Stevenage and Alexandra Palace via Hertford North to provide connections.

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner

Replacement Bus Travel Advice:

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 set-down 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.