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This paper details a simple and novel approach to solve the assignment problem of finding optimum thresholds for axle-based vehicle classifiers. A case study utilizing Oklahoma's axle-based classification stations was conducted in an effort to build, analyze, and verify the proposed solution. An extensive axle-space database with over 20 000 vehicle samples covering all 13 classes of the Federal Highway...
Traffic monitoring systems play a key role in the transition toward smart cities and more efficient transportation systems. Roads and highways are now equipped with sensors to measure traffic flow, predict congestion, and adaptively control traffic routes. Traffic planning applications rely on sensors to provide accurate information about vehicles and infrastructure status. Vehicle class is an important...
Real-time traffic surveillance is essential in today's intelligent transportation systems. This paper reports on the design of a novel, cost-effective, and intelligent real-time traffic monitoring systems using wireless smart sensor networks. Reliable and computationally efficient algorithms were developed for vehicle counting and speed estimation. The integration of system components and distinctive...
In compliance with federal requirements, many states heavily invest in establishing Traffic Monitoring Systems (TMS). A number of automatic vehicle counting and weigh-in-motion sites have been deployed to collect on-demand traffic information including, among others, vehicle volume, weight, and classification. Some TMS are also equipped with weather stations and road-surface probes. This paper presents...
Vehicle classification is a vital measure used to ensure appropriate roadway design as it affects both capacity and pavement endurance. Given that, departments of transportation across the US collect vehicle miles travelled (VMT) for their highways using automatic vehicle classifiers (AVC), and then use these figures for future highway design. Accuracy assessment of AVCs is thus important to ensure...
The number of vehicle collisions, especially at intersections, continues to rise despite recent advancements in vehicular technologies. Innovative design solutions for collision avoidance systems and transportation infrastructure are needed. In this paper we introduce iICAS, a novel Intelligent Intersection Collision Avoidance System that utilizes various components and advanced features to detect...
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