United States Department of Transportation
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A Synthesis of Passive Third-Party Data Sets Used for Transportation Planning
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2020-12-01
[PDF-1.62 MB]
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Edition:Final, Nov 2019 to Dec 2020
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Abstract:This report summarizes an extensive review of academic and professional research making use of third-party data products available to transportation agencies. In particular, the review focused on studies conducted with Bluetooth receivers, Global Positioning System (GPS) devices, and mobile device data (MDD) obtained through cellular networks and location-based services embedded in smartphone applications. The review considers the specific applications of the data products seen within the literature, the sample size reported or inferred within the reviewed studies, and summarizes success or failure of the attempted applications. The review also contains a summary of the underlying technologies, including inferred and known sources of bias or incompleteness. The recommendations of this report are based on the previously described review of the literature as well as personal interviews with prominent researchers identified in the review. The central finding of the report is that entirely replacing legacy data collection methods is not likely to result in the best outcomes for UDOT or other agencies. Rather, passive data products can be most useful to agencies that use them as a supplement to existing and ongoing data collection efforts.
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