Estimating the Value of Truck Travel Time Reliability (2019) / Chapter Skim
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16 A stated-preference survey was conducted to obtain data on how shippers and motor carriers make trade-offs between travel time reliability and costs. On the basis of the literature reviewed, this was determined to be the best approach for developing robust estimates of truck VOR in this study.
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Stated-Preference Survey 17 wider range of situations. Respondents were also asked about the intended receiver and whether intermodal transfers were involved.
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18 Estimating the Value of Truck Travel Time Reliability 95th percentile level (corresponding to 1 out of 20 trips)
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Figure 3-1. Online survey screen.
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20 Estimating the Value of Truck Travel Time Reliability respondents were tried. Table 3-5 summarizes these efforts.
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Stated-Preference Survey 21 0 50 100 150 200 250 300 350 400 450 1-4 5-24 25-100 100-1000 1000+ N um be r of R es po nd en ts Company Size (# employees) Motor Carrier Shipper w/o Transportation Shipper w Transportation Figure 3-2.
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