Engineering work is taking place overnight between Stevenage / Hertford North and Biggleswade / Letchworth Garden City / Royston / Cambridge, closing various lines.
From approximately 22:45 on Sunday evening until approximately 04:45 on Monday morning, buses will replace trains between:
Additionally, some trains will be unable to call at Hitchin or Arlesey, with rail replacement buses running between Stevenage and Biggleswade 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 drop-off 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.