Future engineering work

PAGE LAST UPDATED: 26/04/2019 05:04. 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 overnight service between London Kings Cross and Stevenage via Welwyn Garden City from Monday 18 to Thursday 21 March

Start date
18/03/2019  00:00
End date
Route affected

Great Northern between London Kings Cross / Moorgate and Stevenage / Letchworth Garden City / Cambridge / Ely / Kings Lynn / Peterborough

Thameslink between Brighton / Horsham / London Kings Cross and Cambridge / Peterborough

TOC(s) affected
Great NorthernThameslink

Engineering work is taking place at Welwyn Garden City, closing all lines through the station overnight.

Great Northern / Thameslink

Trains between London King's Cross and Stevenage, Peterborough, Cambridge and King's Lynn will be diverted between Alexandra Palace and Stevenage and will be unable to call at stations via Welwyn Garden City. A revised timetable will operate with extended journey times.

Replacement buses will operate calling at stations between 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