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