Task Order 5503
Traffic Operations Research
Design, Field Implementation and Evaluation of
Adaptive Ramp Metering Algorithms
Roberto Horowitz
Mechanical Engineering
University of California, Berkeley
Pravin Varaiya
Electrical Engineering and Computer Science
University of California, Berkeley
Michael Zhang
Civil and Environmental Engineering
University of California Davis
Summary
These new traffic-responsive ramp metering
strategies are designed to optimize highway throughput while
employing ramp metering policies that are perceived to be fair by all
travelers.
Traffic data mining, and model validation of Highway I-210 in
Caltrans District 7, is currently in progress. A computer simulation
study, evaluating the performance of several local and traffic
responsive ramp metering schemes will follow shortly. Years 2 and 3
of this project will be devoted to field-testing the ramp metering
strategy that performs most favorably in the Year 1 simulation study,
and developing and testing coordinated ramp metering policies
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