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Title:Evaluation of Traffic-Flow Monitoring Technologies: Cicero–Midway Smart Corridor Case Study
Author(s):Eriksson, Jakob
Subject(s):traffic flow monitoring
Wi-Fi, GPS
probe vehicles
Geographic Coverage:Chicago Metro
Abstract:The original goal of this project was to (1) collect probe-vehicle and sensor data in the region of interest, and perform cleaning and map matching of the data; and (2) evaluate the accuracy of multiple technologies, either through direct comparison with ground truth (probe vehicles) when data are available or through simulation where direct measurement data were unavailable. Due to a substantial and unexpected lack of spatiotemporally coinciding measurement and ground-truth data, the project changed direction midway, to quickly capitalize on technology developed in the earlier stages and to attempt to remedy the underlying problem that led to our present difficulty: the unavailability of substantial and low-cost travel-time measurements. Under this new direction, the project was successful. A prototype system for low-cost trafficflow measurement using Wi-Fi transmission monitoring has been developed and successfully demonstrated, A survey of efficient vehicle-tracking methods was performed, comparing over 100 alternative methods, leading to the development of a significantly more accurate and cost-effective method. Finally, technology developed in the early stages of the project were repurposed to facilitate the creation of the UIC Shuttle Tracker.
Issue Date:2013-06
Publisher:Illinois Center for Transportation/Illinois Department of Transportation
Citation Info:Eriksson, Jakob. 2013. Evaluation of Traffic-Flow Monitoring Technologies: Cicero–Midway Smart Corridor Case Study. A report of the findings of ICT-R27-091. Illinois Center for Transportation Series No. 13-007. Research Report No. FHWA-ICT-13-007. Illinois Center for Transportation, Rantoul, IL
Series/Report:Illinois Center for Transportation Series No. 13-007; Research Report No. FHWA-ICT-13-007
Genre:Technical Report
Sponsor:Illinois Department of Transportation, R27-091
Rights Information:No restrictions. This document is available to the public through the National Technical Information Service, Springfield, Virginia 22161
Date Available in IDEALS:2014-08-22

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