A major power fault in Welwyn Garden City caused widespread rail disruption Friday morning, severely impacting services between London Finsbury Park and Stevenage, according to National Rail.
Rail Disruption and Affected Routes
Network Rail and local electricity suppliers deployed teams to restore power, but National Rail warned that disruption would persist until at least 3 pm. Passengers traveling across Thameslink and Great Northern routes faced cancellations, alterations, and delays of up to 20 minutes throughout the morning peak.
Great Northern operated a reduced peak-time service between Peterborough and London King’s Cross, as well as between Hertford North and Moorgate. Services connecting Cambridge and London were similarly thinned out. Commuters were advised by National Rail to allow at least 45 extra minutes to complete their journeys and prepare to use alternative routes.
Alternative Travel Arrangements
Great Northern tickets were accepted on Thameslink trains running to London St Pancras International, as well as Great Northern services heading into London King’s Cross. Passengers also gained access to Greater Anglia services running to London Liverpool Street at no extra charge, according to National Rail.
London North Eastern Railway (LNER) passengers affected by the line closures were permitted to use their tickets on Avanti West Coast, Great Northern, and Thameslink services. Detailed alternative route maps and specific ticket acceptance guidelines were published directly on individual train operators’ websites.
Frequently Asked Questions
- What caused the rail delays? A power supply fault occurred in the Welwyn Garden City area, affecting electrical infrastructure managed by local suppliers and Network Rail.
- Which train operators were affected? Great Northern, Thameslink, and LNER services experienced significant disruption, cancellations, and delays.
- How long is disruption expected to last? National Rail estimated that disruption would continue until at least 3 pm on Friday, September 18.
- Where can stranded passengers use their tickets? Tickets were accepted across alternative services, including Thameslink, Greater Anglia, and Avanti West Coast routes depending on the operator.
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