Elizabeth line train speeding 20mph over limit due to 'dirty' sign left passengers shaken
Travelling at almost double the speed limit caused the train to ‘jolt sideways’

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Your support makes all the difference.A speeding Elizabeth line train caused passengers to “lose their footing” after the driver “became confused” about the rerouted train’s location, a report has revealed.
According to the Rail Accident Investigation Branch (RAIB), the train was travelling at 45mph (72km/h), 20mph faster than the maximum speed for the junction, after being diverted because of a track circuit failure on 24 September 2024.
At least one passenger “fell to the floor” on the Heathrow to Shenfield service as the train “jolted sideways” near Manor Park station, CCTV footage shows.
After being “routed off its booked route”, the driver became “confused about the train’s location” and failed to reduce the train’s speed to 25mph, the report found.
A member of staff onboard reported the overspeed to MTR control as the driver “did not believe” that the jolt was “severe enough to report”.
RAIB’s investigation recommends that route risk assessments “identify the opportunities needed for drivers to effectively refresh their route knowledge, particularly where there are alternative routings available”.
The RAIB added that an “incorrectly placed, inconspicuous and dirty” 25mph speed limit sign was partly to blame for the incident.
Network Rail is responsible for maintaining infrastructure, including permissible speed restriction signs, on the Elizabeth line.
There is no in‑cab indication given to Elizabeth line drivers about permissible speeds on their route.
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“At the time of the incident, the sign was positioned under the bridge, and partially obscured by lineside equipment, which made it difficult to see. It was also covered in dirt, further reducing its conspicuity and legibility,” said the rail safety investigator.
Network Rail’s “Track Work Instruction” guide on ‘How to maintain signs’ states that signs should be kept clean and in good repair.
Director of the Elizabeth line Howard Smith said: "We apologise to customers who were on board the train during this rare incident."
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