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Edition:Final report.
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Abstract:Residential trip generation rates, defined herein as the total number of vehicle trips per household during a 24-hour period, are a fundamental component of transportation planning. When agencies have different estimates of these rates for the same metropolitan area, the cost of the planning process increases since agencies must collect additional field data. To investigate discrepancies in these rates, residential trip generation rates based on four sources were compared: (1) ground counts collected by the Virginia Transportation Research Council (VTRC) at nine suburban neighborhoods, (2) household surveys distributed to the same neighborhoods, (3) national trip generation rates published by the Institute of Transportation Engineers (ITE), and (4) rates derived from the trip generation component of Virginia Department of Transportation (VDOT) regional urban travel demand models.
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