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An Evaluation Of Automatic Passenger Counters: Validation, Sampling, And Statistical Inference, James G. Strathman
An Evaluation Of Automatic Passenger Counters: Validation, Sampling, And Statistical Inference, James G. Strathman
Center for Urban Studies Publications and Reports
While automatic passenger counters (APC's) offer the potential for cait effective data recovery and management, they also introduce new complications in the data recovery process. This report addresses three issues associated with the implementation of APC's, based on an evaluation of the recent experiences of the Tri-County Metropolitan Transportation District of Oregon (Tri-Met). First is the issue of validation, which is concerned with both the recovery and accuracy of APC passenger data. The second issue concerns the development of a sampling methodology for APC's compatible with UMTA's Section 15 reporting requirements. Third is the issue of inferring system-level ridership from …