Effectiveness of Different Approaches to Disseminating Traveler Information on Travel Time Reliability (2013) / Chapter Skim
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Pages 43-48
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43 For the most part, human factor research done to date on traveler information systems has been concerned with segment trip time displays based on historical data. Another line of inquiry has focused on driver faith in the accuracy of the times displayed.
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44 use to describe the reliability of the shipping service. The same distribution was later presented in a traffic context to show a distribution of travel times.
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45 Overall, researchers still did not believe that participants were truly separating the concepts of real-time travel data and historical travel data. Furthermore, the travel examples based on everyday scenarios did not effectively impose penalties for being wrong or late.
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46 that depicted constrained and unconstrained situations. Participants seemed most likely to use the system for pre-trip planning of constrained, unfamiliar trips within a known community or trips within or to an unfamiliar location.
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47 MapQuest, their GPS, or another system to give them a starting travel time. However, they all factored additional time onto the mapping tool estimate.
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48 The most common terms that came up in the focus groups were included in both the computer survey and the openended survey. The computer survey spent time addressing what to call travel times, departure times, and additional times, while the open-ended survey spent extensive time on how the various terms influenced participants' decision making and trust of the system.
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