نتایج جستجو برای: highways and federal roads
تعداد نتایج: 16843781 فیلتر نتایج به سال:
Redesigning of the traffic system on highways, streets and avenues is quite important, when aspects such as network plan, geometric design, traffic control, operation, regulation and enforcement of roads are considered as a unified system. The ‘highways’, which should primarily consider transport function for intercity connections, and ‘streets and avenues’, which should also involve the variou...
This paper describes issues that arose in our implementation of an interpreter for locative expressions in a spoken dialogue system. The expressions involve complex adverbial modification, include imprecise and innacurate content, and reflect conventional practices specific to the way English speakers refer to roads and highways. Our system utilizes semantic features in the parser to perform di...
In Canada, motor vehicle collisions with wildlife pose an ongoing concern. Canada’s landscape is abundant with national and provincial parks, and many of the highways and roads are surrounded by open wilderness. These areas are frequented by unpredictable animal crossings. Moose–vehicle collisions cause a characteristic pattern of head and neck injuries; ocular injuries may be part of the spect...
In this study we have looked into the problem of vehicle detection in highresolution satellite images. Based on the input from the local road authorities, we have focused not only on highways, but also on inner city roads, where more clutter is expected. The study site is the city of Oslo, Norway. To do vehicle detection in these areas, we propose an automatic approach consisting of a segmentat...
In this work we propose a simulated annealing based search algorithm for optimal ramified or branched transportation route in R. The cost function of the transport network allows the system to merge small roads into larger highways, carry the goods together and separate them near the destination. As a result the transportation route has multiple branching-in and -out points, to some extent simi...
I had departed the medical school much too late to reach this small Georgia town before dark. Most of the 175-mile drive south was in daylight on interstate highways, but traveling the final 57 miles after nightfall on unfamiliar secondary roads was a challenge to my sense of direction. I arrived safely at my motel at nearly 9:30 p.m., fatigued from a long day of clinical work and meetings and ...
The introduction of Autonomous Vehicles (AVs) will have far-reaching effects on road traffic in cities and on highways.The implementation of Automated Highway Systems (AHS), possibly with a dedicated lane only for AVs, is believed to be a requirement to maximise the benefit from the advantages of AVs. We study the ramifications of an increasing percentage of AVs on the traffic system with and w...
Although the negative impacts of roads on many terrestrial vertebrate and bird populations are well documented, there have been few studies of the road ecology of bats. To examine the effects of large roads on bat populations, we used acoustic recorders to survey bat activity along ten 300 m transects bordering three large highways in northern California, applying a newly developed statistical ...
A New Approach for Vehicle Detection in Congested Traffic Scenes Based on Strong Shadow Segmentation
Intelligent traffic surveillance systems are assuming an increasingly important role in highway monitoring and city road management systems. Recently a novel feature was proposed to improve the accuracy of object localization and occlusion handling. It was constructed on the basis of the strong shadow under the vehicle in real-world traffic scene. In this paper, we use some statistical paramete...
Background: This toxicological investigation involves a report on the death of four occupants of a sport utility vehicle on one of the major busy Federal roads of Nigeria where they were held for up to three hours in a traffic jam while the car was steaming. Methods: Autopsy was executed using the standard procedure and toxicological analysis was done using simple spectrophotometric method...
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