This book is a guide to the rolling stock of London Underground and all public-carrier light rail and metro systems in the UK and is the second edition published in 2019. Includes complete fleet lists and technical data for all vehicles in traffic, plus engineers' fleets, on-track machines and preserved vehicles. For every LU Line and light rail/metro undertaking, a general introduction provides a brief history of each line and details of day-to-day operations including servicing frequencies, operating times and depot/ maintenance information. Further details of fares and ticketing requirements are provided and, where applicable, future plans for each line or network. This introduction is followed by detailed fleet lists with technical specifications are explained using notes and appendices. A completely new set of maps has been specially commissioned for this publication and the book is well illustrated throughout. This publication is a use reference and a valuable addition to any book collection.