Transit services for sprawling areas with relatively low demand density : a pilot study in the Texas border's colonias.
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2009-02-01
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NTL Classification:NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Flow;NTL-PLANNING AND POLICY-Transit Planning and Policy;NTL-PUBLIC TRANSPORTATION-Transit Planning and Policy;
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Abstract:The colonias along the Texas-Mexico border are one of the most rapidly growing areas in Texas.
Because of the relatively low-income of the residents and an inadequate availability of
transportation services, the need for basic social activities for the colonias cannot be properly met.
The objective of this study is a to have a better comprehension of the status quo of this
communities, examine the potential demand for an improved transportation service as well as
evaluate the capacity and optimum service time interval of a new demand responsive transit
“feeder” service within one representative colonia, El Cenizo. We present a comprehensive
analysis of the results of a survey conducted through a questionnaire to evaluate the existing
travel patterns and the potential demand for a feeder service. The results from the subsequent
simulation analysis showed that a single shuttle would be able to comfortably serve 150
passengers/day and that the optimal headway between consecutive departures from the terminal
should be between 11-13 minutes for best service quality. This exploratory study should serve as
a first step towards improving transportation services within these growing underprivileged
communities, especially for those with demographics and geometry similar to our target area of
El Cenizo.
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