Engineering work is taking place between Luton and West Hampstead Thameslink, closing some lines.
Buses will replace trains between Luton / Harpenden and West Hampstead Thameslink.
Connecting trains will run to an amended timetable.
Buses will also run between Luton Airport Parkway/Luton and Hitchin and between Harpenden / St Albans and Potters Bar.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
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.