United States Department of Transportation
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Design and Demonstration of an Arterial-Friendly Local Ramp Metering Control System
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2023-06-01
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Edition:SHA/MSU/6-1 Final Report (April 2021-May 2023*)
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Abstract:This project aims to develop, assess, and optimize control strategies for ramp metering and local signal synchronization in Maryland's Transportation Systems Management and Operations (TSMO) 1 system (I-70 corridor east of Baltimore, MD). The methodology and mesoscopic simulation model can be generally applicable to other networks and TSMO systems. The network was calibrated using multi-source multi-class traffic data, which has a satisfactory accuracy to reproduce actual traffic conditions. Tests on various scenarios of demand level, control strategies, and incident occurrence show that the local signal synchronization (LSC) consistently performs well in terms of achieving a greater reduction in average travel time, vehicle miles traveled (VMT) and vehicle hours traveled (VHT), and ensuring a good balance of vehicle delay on both arterials and downstream highway segments. The recommendation to Maryland Department of Transportation State Highway Administration (MDOT SHA) is to consider implementing an LSC control strategy to coordinate between ramp metering and localized signal controls to achieve best performance and ensure equity.
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[PDF-1.89 MB]
