Drivers' ability to detect changes in timing at signalized intersections

Jacob Dirk Vreeswijk, Eric C. van Berkum, Bart van Arem

Research output: Contribution to conferenceAbstractOther research output

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Abstract

Drivers have limited awareness of changes in trip attributes or the performance of the traffic system. Due to non-utilitarian behavior and perceptual biases a distinctive amount of changes go unnoticed or are valued incorrectly, which makes drivers indifferent to changing traffic conditions to a certain extent. Defining the indifference band and understanding the probability of behavioral response to changes is valuable input for road operators and traffic engineers designing traffic management measures. To explore the thresholds of the indifference band, a field study was conducted. The study focused on the ability of drivers to observe and rightly value differences in the timing of traffic lights, in particular where the length of the red phase is concerned. Results confirm that drivers have limited awareness of differences in the length of the red phase of traffic lights, both in absolute and relative sense. Moreover, a large range of waiting times are perceived by drivers as being close to the average waiting time, which offers some insight in the indifference band. However, if the reason for waiting is not intuitive the perception of drivers becomes more accurate and their awareness increases (indifference band narrows).
Original languageEnglish
Pages75-75
Number of pages1
Publication statusPublished - 29 Aug 2012
Event5th International Conference on Traffic and Transport Psychology 2012 - Groningen, Netherlands
Duration: 29 Aug 201231 Aug 2012
Conference number: 5

Conference

Conference5th International Conference on Traffic and Transport Psychology 2012
Abbreviated titleICTTP 2012
CountryNetherlands
CityGroningen
Period29/08/1231/08/12

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Keywords

  • METIS-285431
  • IR-84657

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Vreeswijk, J. D., van Berkum, E. C., & van Arem, B. (2012). Drivers' ability to detect changes in timing at signalized intersections. 75-75. Abstract from 5th International Conference on Traffic and Transport Psychology 2012, Groningen, Netherlands.
Vreeswijk, Jacob Dirk ; van Berkum, Eric C. ; van Arem, Bart. / Drivers' ability to detect changes in timing at signalized intersections. Abstract from 5th International Conference on Traffic and Transport Psychology 2012, Groningen, Netherlands.1 p.
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Vreeswijk, JD, van Berkum, EC & van Arem, B 2012, 'Drivers' ability to detect changes in timing at signalized intersections' 5th International Conference on Traffic and Transport Psychology 2012, Groningen, Netherlands, 29/08/12 - 31/08/12, pp. 75-75.

Drivers' ability to detect changes in timing at signalized intersections. / Vreeswijk, Jacob Dirk; van Berkum, Eric C.; van Arem, Bart.

2012. 75-75 Abstract from 5th International Conference on Traffic and Transport Psychology 2012, Groningen, Netherlands.

Research output: Contribution to conferenceAbstractOther research output

TY - CONF

T1 - Drivers' ability to detect changes in timing at signalized intersections

AU - Vreeswijk, Jacob Dirk

AU - van Berkum, Eric C.

AU - van Arem, Bart

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AB - Drivers have limited awareness of changes in trip attributes or the performance of the traffic system. Due to non-utilitarian behavior and perceptual biases a distinctive amount of changes go unnoticed or are valued incorrectly, which makes drivers indifferent to changing traffic conditions to a certain extent. Defining the indifference band and understanding the probability of behavioral response to changes is valuable input for road operators and traffic engineers designing traffic management measures. To explore the thresholds of the indifference band, a field study was conducted. The study focused on the ability of drivers to observe and rightly value differences in the timing of traffic lights, in particular where the length of the red phase is concerned. Results confirm that drivers have limited awareness of differences in the length of the red phase of traffic lights, both in absolute and relative sense. Moreover, a large range of waiting times are perceived by drivers as being close to the average waiting time, which offers some insight in the indifference band. However, if the reason for waiting is not intuitive the perception of drivers becomes more accurate and their awareness increases (indifference band narrows).

KW - METIS-285431

KW - IR-84657

M3 - Abstract

SP - 75

EP - 75

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Vreeswijk JD, van Berkum EC, van Arem B. Drivers' ability to detect changes in timing at signalized intersections. 2012. Abstract from 5th International Conference on Traffic and Transport Psychology 2012, Groningen, Netherlands.