Matt Weir Wins Best Paper at the 2013 ITE Western District Annual Meeting

The City of Roseville, California's Experience
Sometimes "Really Good" Time of Day Coordination Does Outperform Adaptive Control


The 1.5-mile section of Sierra College Boulevard between Douglas Boulevard and Old Auburn Road has five signalized intersections, all of which are interconnected and operated in a coordinated fashion. In addition to this mainline segment, the evaluation efforts included two side street approaches to allow for quantification of the adaptive control system’s effect on side-street vehicle delay.

Based on this study, the City concluded that their baseline condition, which made use of “really good” time of day coordination plans, was difficult for the adaptive system to outperform. This report documents the results of the evaluation study and the comparison of key performance measures for conditions with and without the adaptive system.

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