Alternative methods for developing external travel survey data.
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2010-10-01
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Alternative Title:Project title: Methods for developing external travel survey data
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Edition:Technical report; Mar. 2009-Feb. 2010.
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Abstract:The Texas Department of Transportation (TxDOT) has a comprehensive on-going travel survey
program that supports the travel demand models being developed for transportation planning efforts in urban
areas throughout Texas. One component of the survey program is the external travel survey. External travel
surveys provide data on travel movements into, out of, and through urban areas. In recent years, there has
been a heightened sensitivity to the methods used to collect external survey data as well as the type of data
that is collected. This research examines alternative methods for collecting data on external travel
movements and evaluates the potential for synthesizing/modeling external travel in lieu of conducting
external surveys. The research will provide recommendations to TxDOT on the most viable methods to
estimate external travel movements for use in travel demand models in urban areas in Texas.
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