Investigating the effect of travel time variability on drivers' route choice decision via discrete choice analysis

Hong Cheng Gan, Xin Ye

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper investigates the effect of travel time variability on drivers' route choice behavior. A stated preference survey is conducted to collect drivers' hypothetical choice data between two alternative routes with designated unequal travel time and travel time variability. A binary choice model is developed to quantify trade-offs between travel time and travel time variability across various types of drivers. In the model, travel time and travel time variability are respectively measured by expectation and standard deviation of random travel time. The model shows that travel time and travel time variability on a route exert similarly negative effects on drivers' route choice behavior. In particular, it is found that middle-age drivers are more sensitive to travel time variability and less likely to choose a route with travel time uncertainty than younger and elder drivers. In addition, it is shown that taxi drivers are more sensitive to travel time and more inclined to choose a route with less travel time. Drivers with rich driving experience are less likely to choose a route with uncertain travel time.

Original languageEnglish (US)
Pages (from-to)140-144
Number of pages5
JournalJiaotong Yunshu Xitong Gongcheng Yu Xinxi/ Journal of Transportation Systems Engineering and Information Technology
Volume10
Issue number1
StatePublished - Feb 1 2010
Externally publishedYes

Fingerprint

Discrete Choice
Route Choice
Travel Time
Travel time
Driver
driver
travel
Choose
time
Likely
Binary Choice
Choice Models
Inclined

Keywords

  • Binary Probit model
  • Discrete choice analysis
  • Route choice
  • Stated preference survey
  • Travel time variability
  • Urban traffic

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Modeling and Simulation
  • Transportation
  • Computer Science Applications

Cite this

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abstract = "This paper investigates the effect of travel time variability on drivers' route choice behavior. A stated preference survey is conducted to collect drivers' hypothetical choice data between two alternative routes with designated unequal travel time and travel time variability. A binary choice model is developed to quantify trade-offs between travel time and travel time variability across various types of drivers. In the model, travel time and travel time variability are respectively measured by expectation and standard deviation of random travel time. The model shows that travel time and travel time variability on a route exert similarly negative effects on drivers' route choice behavior. In particular, it is found that middle-age drivers are more sensitive to travel time variability and less likely to choose a route with travel time uncertainty than younger and elder drivers. In addition, it is shown that taxi drivers are more sensitive to travel time and more inclined to choose a route with less travel time. Drivers with rich driving experience are less likely to choose a route with uncertain travel time.",
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