01020679

Component

https://doi.org/10.3141/1931-09

http://scholar.google.com...rson&publication_year=2005

The main difficulty in forecasting traffic volumes in small urban communities is identifying the amount and destination of the external traffic. Three methods exist for determining the percentage of external traffic destined for the study community (external–internal trips) or through the study community (external–external trips): a comprehensive origin–destination study, a cordon line origin–destination study, and the use of regression equations. This paper examines the possibility of the use of an alternative technique, based on a spatial economic model, to determine the traffic distribution. The project uses an economic model, which includes surrounding community factors, to determine the trip rates for three communities within Alabama and compares the results obtained from this model with the results given by a commonly accepted regression equation and a recently completed cordon line origin–destination study performed by using video surveillance. It is demonstrated that the economic model performs well for the case study cities, and this model is recommended for use in providing estimates that incorporate a community’s economic relationship to neighboring towns for traffic forecasting.

01020675

English

pp 68-73

2005

Transportation Research Record: Journal of the Transportation Research Board

0309094054

Print

Figures (5) ; References (13) ; Tables (7)

Case studies; Economic models; Origin and destination; Regression analysis; Small cities; Traffic distribution; Traffic forecasting

External traffic; Spatial economic models; Trip rates

Alabama

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

TRIS, TRB, ATRI

Mar 24 2006 9:56AM

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