Engineering work is taking place in the Stevenage area, closing all lines late on Saturday night and early on Sunday morning.
Saturday:
The 20:55 Horsham to Peterborough service will terminate at Finsbury Park. You can use alternative Great Northern / Thameslink trains between Finsbury Park and Peterborough at no extra cost.
The 23:11 Horsham to Peterborough service will terminate at Finsbury Park. A rail replacement bus will run between Finsbury Park and Peterborough.
Sunday:
The 00:16 Moorgate to Letchworth Garden City service will terminate at Hertford North. A rail replacement bus will run between Hertford North and Letchworth Garden City.
The 01:07 London Kings Cross to Letchworth Garden City service will terminate at Welwyn Garden City. A rail replacement bus will run between Welwyn Garden City and Letchworth Garden City.
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.