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tag: Safety

Assisting Vision-Impaired Pedestrians to Cross Streets: An Innovative Accoustic Ranging Approach

This project aims to leverage innovative techniques to develop an intelligent system that assists blind pedestrians to decide when it

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Development of Automated Roadway Lighting Diagnosis Tools for Nighttime Traffic Safety Improvement

Roadway lighting is a basic roadway infrastructure to ensure nighttime safety and security for all road users (motorists, pedestrians, cyclists,

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Evaluation of Cost-Effective Alternative Designs for Rural Expressway Intersections

High-speed expressways functionally operate like freeways but have at-grade intersections that provide critical access to communities via minor roadways. These

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Safety Effects of Transit Signal Priority: Magnitude and Mechanism

Transit signal priority (TSP) has been implemented for transit systems in many cities of the United States. In evaluating TSP

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Investigation, Testing, and Development of an RFID System for Effective Maintenance of the Existing National Transportation Infrastructure

The focus of this project is the investigation, testing and further development of a RFID system to efficiently maintain the

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Regulating the Ride: Lessons on the Evolution of Dock-less Bikeshare Policy in American Cities

American cities are in the midst of a personal mobility revolution, particularly centered on the growing phenomenon of dock-less bikeshare

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Development of a real-time roadway debris hazard spotting tool using connected vehicle data to enhance roadway safety and system efficiency

Roadway debris and other unexpected obstructions, such as surface damage, or lane hydroplaning due to weather conditions like snow or

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Strategic Investment Decisions on Highway Improvement Projects

Setting priority in highway improvement projects where safety consideration plays a differentiating role in the decision making process. As such,

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Creative Utilization of Urban Roadway Facilities with Predictive Safety Assessment Tool – Phase 1

The impact of predictive safety assessment based on quantitative methodology of the Highway Safety Manual (HSM) is significant particularly in

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