Operational improvement

1. High Priority Chokepoint Evaluation

Considering the limitations in using conventional static modeling approach, Paramics simulation model was used as an evaluation tool for cost-benefit analysis for 12 chokepoint improvement projects proposed by Caltrans District 12.

Construction management

1. Evaluation of Automated Work Zone Information Systems (AWIS)

A Paramics simulation model for a 6-mile I-5 freeway (with a one-lane drop work zone) and its parallel street in the LA county was developed. It was used toinvestigate benefits obtained from the deployment of an AWIS system.


1. Evaluation of Incorporating Hybrid Vehicle Use of HOV Lanes

The objective of this study is to evaluate the impacts of allowing single-occupant hybrid vehicles into HOV lanes. In this study, a microscopic simulation method isintroduced to investigate California’s proposed hybrid-HOV policy. A microscopic simulation approach is appropriate since it is designed to model the movement and behavior of individual vehicles on urban and highway road networks. The study site is Orange County (OC) freeway network, which includes all the major freeways in Orange County except toll roads, such as I-5, I-405, SR-55, SR-22, SR-57, and SR-91.

Corridor management planning

1. Corridor Management Demonstration
This project aims to develop a template for corridor system management plans that can be used for both planning and operational analysis. The primary objective of Corridor Management Demonstration project is to improve traditional corridor management planning by incorporating detailed, multi-modal performance measurement and evaluation, and innovative micro-simulation modeling techniques. The template will help to address the problem of lost system productivity during congestion; it will also help to create effective corridor management plans, thus improving statewide transportation mobility, safety and productivity.

TMC Operator Training

1. Development of Traffic Management Center (TMC) Simulator & Operator Training

Using the latest generation of microscopic simulation modeling techniques, a TMC operator training system has been developed and setup at California ATMS Testbed located at University of California, Irvine. The system provides an effective mechanism for the transfer of research and technology to practical uses. Three training classes for California Department of Transportation (Caltrans) operators have been conducted since the prototype system was completed in November 2005. Both Caltrans and their “student operators” are highly satisfied with the results from the training classes.


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