• 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 ...
• TfL combats this with rail adhesion (“RAT”) trains that spread a sand compound to help Tube trains stick to the track If you’re wondering why your Piccadilly line train has been delayed or cancelled ...