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Title:

Quantifying Impacts of Transit Reliability on User Costs

Accession Number:

01127337

Record Type:

Component

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Order URL: http://trb.org/Main/Blurbs/Transit_2009_Volume_3_162757.aspx

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Order URL: http://worldcat.org/isbn/9780309142618

Abstract:

Transportation modeling frameworks assume that travelers are economically rational; that is, they choose the lowest-cost alternative to complete a desired trip. The reliability of travel time is of critical importance to travelers. The ability to quantify reliability allows planners to estimate more accurately how system performance influences local travel behavior and to evaluate more appropriately potential investments in the transportation system infrastructure. This paper presents a methodology that makes use of automatic vehicle location data from the regional municipality of Waterloo, Ontario, Canada, to estimate the reliability of transit service. On the basis of these data, the impacts of unreliable service on generalized transit user costs are quantified by use of a simulation model of bus arrivals and passengers’ desired arrival times. It is shown that the increasing reliability of arrivals at a station can decrease transit users’ generalized costs significantly and by as much as 15% in a reasonably reliable network. It is further posited that the inclusion of uncertainty in the calculation of generalized costs may provide better estimates of mode splits in travel forecasting models. A description of future applications of the model concludes the paper.

Monograph Title:

Transit 2009, Volume 3

Monograph Accession #:

01146356

Report/Paper Numbers:

09-3685

Language:

English

Authors:

Casello, Jeffrey M
Nour, Akram
Hellinga, Bruce R

Pagination:

pp 136-141

Publication Date:

2009

Serial:

Transportation Research Record: Journal of the Transportation Research Board

Issue Number: 2112
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

9780309142618

Media Type:

Print

Features:

Figures (5) ; Maps (1) ; References (9) ; Tables (1)

Uncontrolled Terms:

Geographic Terms:

Subject Areas:

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

Files:

TRIS, TRB, ATRI

Created Date:

Jan 30 2009 8:06PM

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