Engineering work is taking place between in the Hatfield area, closing lines late on Friday night.
As a result, the 23:35 Cambridge to London Kings Cross service will not call at Hatfield.
A replacement bus will run from Welwyn Garden City to Potters Bar via Hatfield.
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.