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CUTC Student of the Year Recognized for Research in Freeway Traffic
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2015-12-01
[PDF-863.25 KB]
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Abstract:The CUTC research was part of the Connected Corridors project, a collaborative effort to research, develop, and test a framework for corridor transportation system management in California. Reilly’s contribution pertained to the management of freeway traffic via two distinct control measures: on-ramp metering and variable speed limits. Reilly developed algorithms so that both measures could be deployed in joint, coordinated fashion on freeways of extended physical lengths. The algorithms enable a proactive approach to freeway management by anticipating the metering rates and posted speed limits suitable for later times during a busy rush. This anticipatory feature was made possible by attendant models that project in time the freeway’s traffic demands and their potential impacts on congestion levels. In simulations of a hypothetical but realistic freeway with noisy sensor data, the proactive metering algorithm was shown to reduce delay by up to 3 percent. A strictly reactive metering scheme was found to reduce delay by less than 2 percent.
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Main Document Checksum:urn:sha256:3b7bd8a550e224f1463d08b3980ccca8f393a1ddfa29f7aae5a767ede08e8a67
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