Figures show more than a quarter of escalators on the London Underground are operating beyond their expected lifespan, reports Kumail Jaffer, Local Democracy Reporter Escalators closed for repair at Woolwich Arsenal Station (credit Kumail Jaffer/LDRS) Transport for London (TfL) must make broken and ageing escalators a funding priority to ensure the mayor’s active transport targets are feasible, a senior London assembly member has said. Elly Bake…