Overnight engineering work is taking place between Hitchin and St Neots, closing some lines between 23:30 and 04:30.
Trains will be unable to call at Arlesey or Sandy.
Buses will run between Hitchin and St Neots calling at Arlesey and Sandy.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement Bus Travel Advice:
You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages.
Bicycles are not allowed on rail replacement bus services at any time, unless fully folded. More travel advice for your replacement bus journey is available by selecting the Train Operating Company you are travelling with here.