Principal Engineer

Informational Product

Freeway Management and Operations Handbook

The document is a resource document originally publishing in 2003 and updated in 2006 that provides an overview of the various institutional and technical issues associated with the planning, design, implementation, operation, and management of a freeway network. Freeway management and operations

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Informational Product

Field Operations Guide for Safety/Service Patrols

The primary contributions of safety/service patrols are to reduce traffic congestion, improve travel time reliability, and improve safety on freeway and arterial systems. The intent of the guide is to reinforce procedures and provide reminders for various incident scenarios. The document provides

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Research

Feasibility of Using In-Vehicle Video Data to Explore How to Modify Driver Behavior that Causes Non-Recurring Congestion

The SHRP2 L10 project is intended “to examine existing studies using video cameras and other onboard devices to collect data and determine the potential for using these data to explore how to modify driver behavior in an attempt to reduce non-recurring congestion.” It was found that the majority

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Research

Evaluation and Performance Measurement of Congestion Pricing Projects

This report examines the state of the practice and presents guidelines on the performance measurement and evaluation of congestion pricing projects. Congestion pricing projects include variably priced managed lanes (HOT or Express Toll Lanes), toll facilities with variable pricing, and cordon or

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Research

Evaluating Alternative Operations Strategies to Improve Travel Time Reliability

The objective of this project is to identify and evaluate strategies and tactics to satisfy travel time reliability requirements of users of the roadway network. This study involved the following tasks:

Discuss different needs of various roadway network users Address agencies’ perform
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Research

Handbook for Communicating Travel Time Reliability Through Graphics and Tables

Reliability information is desired by various audiences in different ways. Those with an interest in information range from decision makers, operators, and developers of reliability monitoring systems, to road users and shippers.  This handbook offers numerous ideas on how to communicate rel

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