View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Spiral - Imperial College Digital Repository JM Cohen*, AS Barron, RJ Anderson, & DJ Graham IMPACTS OF UNATTENDED TRAIN OPERATIONS (UTO) ON PRODUCTIVITY AND EFFICIENCY IN METROPOLITAN RAILWAYS Judith M. Cohen*, Alexander S. Barron, Richard J. Anderson, and Daniel J. Graham Railway and Transport Strategy Centre, Centre for Transport Studies, Dept. of Civil and Environmental Engineering, Imperial College London, London, United Kingdom SW7 2AZ Corresponding author: Judith M. Cohen Railway and Transport Strategy Centre, Centre for Transport Studies, Dept. of Civil and Environmental Engineering, Imperial College London, London, United Kingdom SW7 2AZ E-mail:
[email protected] Tel: +44 (0)20 7594 3486 Alexander S. Barron Railway and Transport Strategy Centre, Centre for Transport Studies, Dept. of Civil and Environmental Engineering, Imperial College London, London, United Kingdom SW7 2AZ E-mail:
[email protected] Richard J. Anderson Railway and Transport Strategy Centre, Centre for Transport Studies, Dept. of Civil and Environmental Engineering, Imperial College London, London, United Kingdom SW7 2AZ E-mail:
[email protected] Daniel J. Graham Railway and Transport Strategy Centre, Centre for Transport Studies, Dept. of Civil and Environmental Engineering, Imperial College London, London, United Kingdom SW7 2AZ E-mail:
[email protected] SUBMISSION DATE: 1st August 2014 REVISED SUBMISSION: 14th November 2014 FINAL REVISION FOR PUBLICATION: 13th March 2015 WORD COUNT: 7444 Tables: (0) 0 Figures: (7) 1750 Abstract: 227 Text: 4738 References: 729 1 JM Cohen*, AS Barron, RJ Anderson, & DJ Graham ABSTRACT Urban metro subway systems (metros) around the world are choosing increasing levels of automation for new and existing lines: the global length of metro lines capable of unattended train operation (UTO) is predicted to triple in the next ten years.