First published Oct 27, 2026, 7:31:15 AM UTC · Last updated Oct 27, 2026, 7:31:30 AM UTC

TfL disruption — Northern Line

Reported by Transport for London Transit Disruptions

TfL reports no service between Stockwell and Morden because of a signal failure at Balham, with minor delays elsewhere on the line. Tickets are being accepted on listed alternative transport services.

At a glance

Affected location: London, United Kingdom

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Why it matters

The disruption affects Northern Line passengers and directs them to alternative services.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Transport for London Transit Disruptions TfL disruption — Northern LinePowered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016. Geomni UK Map data © and database rights 2019. Usage terms

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