01091046

Component

https://doi.org/10.3141/2121-07

http://scholar.google.com...dian&publication_year=2009

Issues about travel data limitation have been a growing concern for many urban areas. To address this problem, new research areas regarding the transferability of household travel survey data are emerging. It has been shown that local updating can significantly improve the quality of the transferred data. As part of a comprehensive research effort on the transferability of National Household Travel Survey (NHTS) data, this study attempts to fit 13 continuous distributions and 6 discrete distributions to various travel characteristics derived from the NHTS 2001 data sets. The best-fitted distributions are selected according to multiple criteria, including Anderson–Darling, chi-square, and Kolmogorov–Smirnov tests. The results of the analysis suggest that the assumption of normality does not hold for any of the travel characteristics in the sample. Instead, distributions such as gamma, Weibull, and exponential prove to dominate the best-fitted distributions for their respective applications. Despite the complexity of the best-fitted distributions, certain stable distributional patterns are shown to exist. This paper also summarizes the best distributional assumptions for various travel characteristics, followed by a brief introduction to their applications.

01147424

09-3443

English

pp 63-73

2009

Transportation Research Record: Journal of the Transportation Research Board

9780309126380

Print

Figures (5) ; References (19) ; Tables (2)

Data quality; Distributions (Statistics); Exponential distributions; Gamma distributions; Goodness of fit; Simulation; Travel surveys; Trip length; Vehicle miles of travel; Weibull distributions

National Household Travel Survey

Transferability; Travel data

Data and Information Technology; Highways; Planning and Forecasting; I72: Traffic and Transport Planning

TRIS, TRB, ATRI

Jan 29 2008 3:47PM

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