01371530

Component

https://doi.org/10.3141/2274-13

http://scholar.google.com...asco&publication_year=2012

Transit operators aim to provide high levels of reliability because reliable services not only are more attractive for their current and potential customers, but can also reduce operating costs by making more efficient use of resources. This work addresses the issue of service reliability in a context in which high-quality transit is the norm, not the exception. An ongoing study uses automatic vehicle location (AVL) data to estimate quantitative service reliability measures of a bus line in Zurich, Switzerland. In-vehicle observations during peak periods and aggregate operational data reports complement the AVL data. Four time profiles (morning and late afternoon peaks, between peaks, and late evening) were used to characterize transit service reliability at the route and stop level. A set of conventional operator-perspective measures (travel time, speed, punctuality, and regularity) was enhanced with a customer-oriented measure (passenger waiting time) to link service reliability to passenger waiting cost. Results indicate that the best service reliability for travel time, regularity, and passenger waiting time metrics is achieved during late night services. Services between peak hours perform better in punctuality metrics.

01449088

12-3512

English

pp 114–125

2012

Transportation Research Record: Journal of the Transportation Research Board

9780309223171

Print

Figures; Maps; References; Tables

Automatic vehicle location; Bus transit; Case studies; Level of service; Performance measurement; Quality of service

Service reliability

Zurich (Switzerland)

Passenger Transportation; Planning and Forecasting; Public Transportation; I72: Traffic and Transport Planning

TRIS, TRB, ATRI

Feb 8 2012 5:17PM

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