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Evening Standard
Evening Standard
National
Ross Lydall

Leaves on the line! Inside TfL's battle to keep the Piccadilly line running during autumn and winter

At a glance

• Leaf fall is resulting in closures on the Piccadilly line between Rayners Lane and Uxbridge to prevent wheel damage

• Leaves create a slippery film on tracks, causing trains to skid, flattening wheels and disrupting signalling

• TfL combats this with rail adhesion (“RAT”) trains that spread a sand compound to help Tube trains stick to the track

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