London Overground Restores Mildmay Line Service

Train fault at Willesden Junction causes delays up to 20 minutes on Mildmay line routes

2026-03-23, Moovit News Team

Mildmay Line Faces Delays After Train Fault

A train fault at Willesden Junction is causing severe delays on London's Mildmay line, affecting routes between Richmond, Clapham Junction and Stratford. National Rail reported the fault Wednesday morning at 10:39am, with disruption expected to continue until noon. Trains may be cancelled, delayed by up to 20 minutes, or revised due to congestion on the line.

Context and Background

The disruption affects London Overground services across the Inner London area, impacting one of the network's key orbital routes. Train faults at major junctions like Willesden can create cascading delays as services back up along multiple branches. National Rail said the fault is causing specific congestion on the Mildmay line, which connects several major interchange stations. Transit agencies typically need several hours to clear disabled trains and restore normal service patterns.
London Overground train at Willesden Junction station platform with passengers waiting

Service Impact Details

Passengers can expect delays of up to 20 minutes on affected services, with some trains cancelled entirely. The fault is creating congestion specifically on the Mildmay line portion of the network, though officials haven't specified how many trains have been cancelled. Routes between Richmond, Clapham Junction and Stratford are experiencing the most significant impacts. National Rail said trains may be revised to manage the congestion, though specific service adjustments weren't detailed.

Timeline and Recovery

The fault was reported at 10:39am on March 12, with National Rail stating disruption would continue until noon. Officials haven't said whether normal service resumed on schedule or if delays extended beyond the initial estimate. Passengers can use London Buses via any reasonable route at no extra cost with their rail tickets during the disruption.
London bus at city stop with passengers boarding during rail service disruption

Passenger Information

Riders affected by delays may be entitled to compensation if they experience delays completing their journey. National Rail advised passengers to keep their train tickets and make notes of their journey to support any compensation claims. Moovit provides real-time updates for London Overground services, helping riders navigate disruptions and find alternative routes across the city's transit network.