First published Oct 20, 2026, 9:45:15 AM UTC · Last updated Oct 20, 2026, 10:24:15 AM UTC

TfL disruption — Circle Line

Reported by Transport for London Transit Disruptions, Transport for London Transit Disruptions, Transport for London Transit Disruptions, Transport for London Transit Disruptions, Transport for London Transit Disruptions

The Hammersmith and City Line has no service between Liverpool Street and Barking and severe delays elsewhere due to a signal failure at Mansion House. TfL says tickets are accepted on several other transport services.

At a glance

Affected location: London

Illustrative image: Map of the Circle Line shown on top of the train doors. — Happyhappylandwiki/Wikimedia Commons, CC BY-SA 3.0

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Why it matters

Passengers may need to use alternative services while the disruption continues.

Location

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Update history

Oct 20, 2026, 10:15 AM UTC
Circle Line service is operating clockwise only while a signal failure at Mansion House is fixed; anticlockwise service is reported as good. Tickets are accepted on London buses, C2C, Elizabeth Line, DLR, and Mildmay Line.
Transport for London Transit Disruptions
Oct 20, 2026, 10:15 AM UTC
There is no service between Liverpool Street and Barking, with severe delays on the rest of the line due to a signal failure at Mansion House. Tickets are accepted on specified alternative services.
Transport for London Transit Disruptions
Oct 20, 2026, 10:15 AM UTC
A signal fault at Mansion House caused severe delays on the District Line. Tickets were accepted on several other named transport services in London.
Transport for London Transit Disruptions
Oct 20, 2026, 10:15 AM UTC
The Hammersmith and City Line has no service between Liverpool Street and Barking and severe delays elsewhere due to a signal failure at Mansion House. TfL says tickets are accepted on several other transport services.
Transport for London Transit Disruptions

Generated scores

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

Confidence: 7/10How 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 — Circle LinePowered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016. Geomni UK Map data © and database rights 2019. Usage terms
Transport for London Transit Disruptions TfL disruption — Circle LinePowered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016. Geomni UK Map data © and database rights 2019. Usage terms
Transport for London Transit Disruptions TfL disruption — Hammersmith and City LinePowered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016. Geomni UK Map data © and database rights 2019. Usage terms
Transport for London Transit Disruptions TfL disruption — District LinePowered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016. Geomni UK Map data © and database rights 2019. Usage terms
Transport for London Transit Disruptions TfL disruption — Hammersmith and City 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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