Buses replace morning trains between Harpenden and London St Pancras International on Sunday 3 September

Engineering work is taking place between Harpenden and London St Pancras International, closing all lines on Sunday morning.

Before 09:00, buses will replace trains between Harpenden and London St Pancras International. ​​​​​​​

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 this page. 

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages. 

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