Principal Engineer

Best Practice

Improving Traffic Signal Management and Operations: A Basic Service Model

This report provides a guide for achieving a basic service model for traffic signal management and operations. The basic service model is based on simply stated and defensible operational objectives that consider the staffing level, expertise and priorities of the responsible agency. The report in
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Best Practice

Impacts of Technology Advancements on Transportation Management Center Operations

Directed by the Traffic Management Center (TMC) Pooled Fund Study, this report provides guidance to TMCs and transportation management agencies on how to better position themselves operationally in anticipation of future technology changes and advancements. Eight top trends of TMC operations are ide
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Best Practice

Guidelines for the Use of Variable Speed Limit Systems in Wet Weather

This report provides guidelines for the design, installation, operation, maintenance, and enforcement of wet weather variable speed limit (VSL) systems. The use of VSL systems during inclement weather or other less than ideal conditions can improve safety by decreasing the risks associated with t

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Publications

Guidelines for Disseminating Road Weather Advisory & Control Information

These guidelines build on previous work dating back to 2008 to develop specific recommendations for communicating road weather information (content, format, and timing) in a way that is consistent with what travelers need, want, and will use when making travel decisions. They are intended to augment
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Best Practice

Guide to Improving Capability for Systems Operations and Management

The Guide examines the way transportation agencies should be organized to successfully execute operations programs that improve travel time reliability. After the Guide was submitted for publication, the American Association of State Highway and Transportation Officials (AASHTO) converted the SHR

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Research

Institutional Architectures to Improve Systems Operations and Management

Institutional Architectures to Support Operational Strategies combines both research and guidance relating to the institutional preconditions within state DOTs for effective management of non-recurring congestion. The objective of the project is to identify the preconditions to “institutionalizin

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Research

Guide to Effective Freeway Performance Measurement: Final Report and Guidebook

This document includes both a summary report and a detailed guidebook on effective freeway performance measurement focusing on congestion/mobility on freeways. Specific areas covered in the guidebook include the rationale for performance measures, context, definition and description of performance m
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Publications

Guidance on Data Needs, Availability, and Opportunities for Work Zone Performance Measures

This document provides guidance on work zone performance measurement, including data source identification, selection of performance measures, and data collection, assessment, and application (computational methods). In the context of highway work zones, there are three major data needs for perfo

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Case Studies & Lessons Learned

Case Studies on Risk Management: Lessons Learned

This is the fourth in a series of four independent, yet interrelated webinars intended to help participants understand the tort liability/risk management process. Content will include:

Three actual tort claims filed against public road agencies in terms of the facts and theories of liab
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