Disruption between London and Stevenage 

Route(s) affected

Grand Central between London Kings Cross and Bradford International / Sunderland

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

Hull Trains between London Kings Cross and Hull

LNER between London Kings Cross and Lincoln / Leeds / Bradford Forster Square / Harrogate / York / Edinburgh / Aberdeen / Inverness

Lumo between London Kings Cross and Edinburgh

Thameslink between Brighton and Cambridge, and between Horsham and Peterborough

Description

Trains are now able to run normally between London and Stevenage following a fault with the signalling system between Potters Bar and Welwyn Garden City earlier on today.