Objectively Assessing Automatic vs. Manual Control for Transit Systems

Abstract

Within the Transit Industry reside proponents and detractors of automatic control, as well as proponents and detractors of manual control. These factions are well versed in the aspects of both automatic and manual control, and produce and promote a variety of data, facts, and opinions via venues ranging from conferences to websites to internet blogs. Occasionally, ardent discussion or promotion of one control type occurs at the expense of the other control type. In these cases, contrasting claims may be made that increase the difficulty for prospective public owners and planners of transit systems to objectively assess automatic or manual control as it applies to their particular system. This paper’s purpose is to provide a high level, objective overview that can assist prospective owners and planners of transit systems with decisions regarding automatic and manual control by outlining salient points regarding both manual and automatic control. The paper summarizes the purpose of, and applications of, automation and presents automation rules of thumb. The paper defines both automatic train control and manual operation, then discusses other factors, including measurement of the cost effectiveness of automatic vs. manual control for transit systems. Lastly, conclusions and recommendations are made.