PATH Traffic Operations Research
Alexander Skabardonis, Program Leader

The PATH Traffic Operations Program focuses on advancing the state-of-the-art in traffic management and traveler information systems, and producing results that can be implemented in the field. The research is undertaken by statewide research team of fifteen faculty and more than 40 graduate students and staff working closely with the program customers. Examples of ongoing projects include research on surveillance technologies, algorithms for data processing, fusion and analysis, development and application of analytical and simulation techniques, and formulation and testing of advanced operational strategies.

PATH Traffic Operations Task Orders:

• 5300 - Integrated Construction Zone Traffic Management

• 5301 - Low-Cost Vehicle Detection and Communication Systems for Urban Intersections, Freeways, and Parking Lots

• 5302 - Extracting More Information from the Existing Freeway Traffic Monitoring Infrastructure

• 5303 - BHL Traffic Detector Analysis, Consolidation of BHL Detector System at CCIT, and Development of Portable Detector Diagnostic Tool

• 5304 - Corridor Deployment and Investigation of Anonymous Vehicle Tracking for Real-Time Traffic Performance Measurement

• 5305 - Integrated Ramp Metering Design, Evaluation and Optimization Platform with PARAMICS Simulation

• 5306 - Causes of Freeway Productivity Decline and the Opportunities for Gain: A Quantitative Study

• 5307 - Implementation of a Tool for Measuring ITS Impacts on Freeway Safety Performance

• 5308 - Developing Calibration Tools for Microscopic Traffic Simulation

• 5310 - Developing Large Network Tools for Microscopic Traffic Simulation

• 5311 - Development of Hardware-in-the-Loop (HiL) Simulation and Paramics/VS-PLUS Integration

• 5312 - On-Ramp Metering Experiments to Increase Freeway Merge Capacity

• 5313 - Field Deployment and Operational Test of an Agent-based, Multi-jurisdictional Traffic Management System

• 5314 - Evaluate IST-222 Loop Detector System

• 5315 - Evaluation of Incorporating Hybrid Vehicle Use of HOV Lanes

• 5316 - Evaluation of the Bay Area Incident Response System (BAIRS)

• 5319 - Evaluation of PeMS to Improve the Congestion Monitoring Program

• 5320 - Highway Traffic Data Sensitivity Analysis

• 5321 - Finding and Analyzing True Effect of non-recurrent Congestion on Mobility and Safety

• 5325 - Development of an Integrated Microscopic Traffic Simulation and Signal Timing Optimization Tool

• 5327 - Automated Collection, Comparison and Fusion of Data From All Vehicle Presence Detectors in I-405 Detector Test Bed

• 5328 - A Low-Cost Wireless Mems System For Measuring Dynamic Pavement Loads

• 5329 - Developing Optimal Planning and Management Strategies for a Robust Highway System

• 5330 - Extension and Validation of a Hybrid Traffic Flow Model

• 5502 - Development of a Path Flow Estimator for Deriving Steady-State and Time-Dependent Origin-Destination Trip Tables

• 5503 - Design, Field Implementation and Evaluation of Adaptive Ramp Metering Algorithms

• 5606 - Development and Field Testing of Laser Photodiode Array Based Vehicle Detection Systems on the Highway

• 6300 - Maintaining the Health of the Caltrans Loop Detector System

• 6301 - What is the Excess Capacity of HOV Lanes?

• 6302 - Evaluation of Portable Automated Data Collection Technologies

• 6303 - Optimal Use of CMS for Displaying Travel Times

• 6304 - Weave Analysis Evaluation and Refinement

• 6309 - New Approach to Bottleneck Capacity Analysis

• 6322 - Measure and Field Test the Effectiveness of Adaptive Traffic Control for Arterial Signal Management

• 6323 - Optimal Control for Corridor Networks: A Mathematical Logic-Based Modeling and Solution

• 6324 - Cartesius and CTNET - Integration and Field Operational Test

• 6326 - Determining the Effectiveness of HOV Lanes

• 6327 - System Engineering Management Plan (SEMP) for Loop Fault Detection

• 6328 - Optimal Sensor Requirements

• 6329 - Ramp Metering Design Tools and Field Test Implementation of Queue Control

• 6330 - Evaluation of Open Road Electronic Toll Collection for California Applications

• 6331 - On-Ramp Metering and Commuter Delay: A Before and After Study

• 6332 - Improving Performance of Coordinated Signal Control Systems Using Signal and Loop Data

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