Engineering work is taking place between Welwyn Garden City and Potters Bar, closing various lines.

Between 00:25 and 05:30 on Monday morning:

• Trains towards London will not call at Hatfield.
• No trains will call at Welham Green in either direction.

Replacement buses will run between Potters Bar and Welwyn Garden City for Hatfield / Welham Green.

Please note that trains that run at the end of Sunday service will be affected by this engineering work.

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. 

Please be advised that, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey.