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Publications Search Results

Research

Impacts of Traveler Information on the Overall Network

The public response to Dynamic Message Signs (DMS) and traffic flow maps (via internet) has overall been a very positive one, but there is not much sufficient research to show what affect these tools have on traffic itself. To determine the impact on travel times, on-line surveys were created to

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Research

Understanding Utilization of Third Party Data and Information

Private vendors sell and provide third party data for a variety of transportation purposes, including commercial freight, personal navigation, data to benefit transportation companies, and more. This data can be helpful for a multitude of reasons, including maintaining safety and mobility of the

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Standards & Recommended Practices

Planning Guidance for Intelligent Transportation System (ITS) Devices

This document is a summary of the activities completed in order to develop warrants for Intelligent Transportation System (ITS) devices, including Closed Circuit Television, Dynamic Message Signs, Highway Advisory Radio, Road Weather Information Systems, Variable Speed Limit Signs, Dynamic Speed

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Research

Use and Impacts of Camera Images and Other Displays of Traveler Information

The goal of this project was to explore the use and impacts of camera images and other displays of information that were "unverified", especially when compared to "verified" reports, such as traffic maps, incident reports, and other sources of information. The results of this project could help a

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Publications

System Requirements for Intersection Conflict Warning Systems

This project is a continuation of the previous "Developing Consistency in ITS Safety Solutions -- Intersection Conflict Warning Systems (Phase 1)". This project included a few national entities, such as AASHTO Subcommittee on Traffic Engineering, the National Committee on Uniform Traffic Control

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Publications

The Next Era of Traveler Information

Due to the nature of today's technology, including information platforms like social media, it is increasingly difficult to plan, evaluate, operate, and enhance traveler information services because of limited resources, huge amounts of information and data, and rapidly changing dynamics. The pur

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Research

Crashworthiness and Protection of ITS Field Devices

Intelligent Transportation System (ITS) devices include a variety of traffic control device displays that are required to be within the roadway clear zone. These devices are required to be crashworthy. Agencies planning to utilize ITS devices within the clear zone must ensure that they are crashw

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Research

Highway Advisory Radio Best Practices and Future Direction

Highway Advisory Radio (HAR) had been in use since the 1970s as a tool for government organizations to report public information via radio. HAR is most often used by departments of transportation, to report about road conditions, construction, and other traffic conditions.

The purpose o

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