Engineering work is taking place between Welwyn Garden City and New Barnet, closing one of the lines towards London from 00:10 until 05:30.
As a result, trains from Welwyn Garden City towards London will not stop at Hatfield and Welham Green.
A bus will operate between Welwyn Garden City and and Brookmans Park, calling at Hatfield and Welham Green.
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.