Future engineering work

PAGE LAST UPDATED: 19/02/2019 15:09. Update now

See details of routes affected by planned engineering works, including when they take effect, maps of the affected area, alternative timetables, advice for alternative travel and real-time updates.

Amended early morning Great Northern services on Sunday 22 April

Start date
22/04/2018  00:00
End date
Route affected
Download map of route afected

Between London Kings Cross and Letchworth Garden City / Peterborough

TOC(s) affected
Great Northern

Engineering work is taking place until 08:20 between Potters Bar and Welwyn Garden City, between Hertford North and Stevenage and between Stevenage and Letchworth Garden City, closing various lines.

Until 08:20 on Sunday morning, trains between London Kings Cross and Stevenage will depart 15 minutes earlier than usual and will be diverted, not calling at stations between Finsbury Park and Stevenage, buses will replace trains between the following stations:-

  • Potters Bar and Welwyn Garden City.
  • Hertford North and Stevenage.
  • Stevenage and Letchworth Garden City / Peterborough.
  • Alexandra Palace and Stevenage via Welwyn Garden City.

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages


Non folding bicycles are not allowed on rail replacement bus services at any time. Folding bicycles are allowed if fully folded. For more information, please see here.

Project Information:

You can read more about engineering work and why it is necessary.