Evaluation of Two Trip Generation Techniques for Small Area Travel Models
Publication: Journal of Urban Planning and Development
Volume 128, Issue 2
Abstract
This paper examines the practically of using a single internal trip purpose to generate the production and attraction values for traffic analysis zones in small urban community travel models. In previous research efforts, Quick-Response techniques, originally developed for cities with populations between 50,000 and 199,999, have been successfully applied to perform trip generation in small urban community travel models. Focusing on the reduction of data requirements and complexity of the trip generation analysis, a single trip purpose technique, based solely on aggregate numbers of households and businesses in a traffic analysis zone, has been proposed as a method to simplify the trip generation computation and reduce data requirements. This paper presents the fundamentals of the Quick-Response and single trip purpose techniques, tests the advantage of multiple trip purposes in a small sample network, and applies the two methodologies in a small urban community within Alabama to determine if significant differences exist when performing trip generation. The paper concludes that, for smaller urban community travel models, where different trip purposes are assumed to have similar trip lengths, both the Quick-Response and the single trip purpose technique produce similar results for the total productions and attractions in a traffic analysis zone. This similarity, and the results of the test showing that different trip purposes are not vital for trip distribution in small networks, substantiate the use of the simplified single trip purpose technique for trip generation.
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Information
Published In
Journal of Urban Planning and Development
Volume 128 • Issue 2 • June 2002
Pages: 77 - 88
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Mar 16, 2001
Accepted: Nov 9, 2001
Published online: May 15, 2002
Published in print: Jun 2002
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