The dynamics of fare and frequency choice in urban transit

Ian Savage

Document Type

Journal Article

Publication Date

2010

Subject Area

mode - bus, place - north america, operations - frequency, operations - scheduling, policy - fares, mode - tram/light rail

Keywords

Transit, Fares, Frequency, Optimality, Subsidy, Chicago

Abstract

This paper investigates the choice of fare and service frequency by urban mass transit agencies. A more frequent service is costly to provide but is valued by riders due to shorter waiting times at stops, and faster operating speeds on less crowding vehicles. Empirical analyses in the 1980s found that service frequencies were too high in most of the cities studied. For a given budget constraint, social welfare could be improved by reducing service frequencies and using the money saved to lower fares. The cross-sectional nature of these analyses meant that researchers were unable to address the question of when the oversupply occurred. This paper seeks to answer that question by conducting a time-series analysis of the bus operations of the Chicago Transit Authority from 1953 to 2005. The paper finds that it has always been the case that too much service frequency was provided at too high a fare. The imbalance between fares and service frequency became larger in the 1970s when the introduction of operating subsidies coincided with an increase in the unit cost of service provision.

Rights

Permission to publish abstract has been given by Elsevier, copyright remains with them.

Comments

Transportation Research Part A Home Page: http://www.sciencedirect.com/science/journal/09658564

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