Future engineering work

PAGE LAST UPDATED: 18/10/2018 19:14. 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.

Buses replace overnight / early morning trains between Alexandra Palace and Welwyn Garden City / Stevenage from Monday 20 to Thursday 23 August

Start date
20/08/2018  00:00
End date
Route affected

Great Northern between London Kings Cross and Cambridge and between Moorgate and Welwyn Garden City

Thameslink between Horsham and Peterborough

TOC(s) affected
Great NorthernThameslink

Each night between 23:30 and 05:00, engineering work is taking place between Alexandra Palace and Stevenage, via Welwyn Garden City, closing all lines.

Trains are diverted to run between Alexandra Palace and Stevenage via Hertford North.

Replacement buses will run between Alexandra Palace and Welwyn Garden City / Stevenage.

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.