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

The Standard takes a ride on a ‘RAT’ train used to keep the overground sections of the London Underground free of leaves

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

The Standard takes a ride on a ‘RAT’ train used to keep the overground sections of the London Underground free of leaves