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Minor delays to Great Northern / Thameslink services between Potters Bar and Welwyn Garden City  

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Service alteration details

Incident reported: 16 May 2025 at 12:05

Incident cleared: 16 May 2025 at 13:28

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Last updated

16 May 2025 at 13:28

Train operators affected

Route(s) affected

between Potters Bar and Welwyn Garden City

Great Northern between London Kings Cross and Cambridge / Ely / Kings Lynn, and also between Moorgate and Welwyn Garden City

Thameslink between Brighton and Cambridge, and between Horsham and Peterborough

Description

Disruption caused by fault with the signalling system between Potters Bar and Welwyn Garden City has now ended.