sTraffic lights‚ also known as traffic signals‚ traffic lamps‚ signal lights‚ robots in South Africa[1] and‚ in the past‚ semaphores‚[2] are signalling devices positioned at road intersections‚ pedestrian crossings and other locations to control competing flows of traffic. Traffic lights were first installed in 1868 in London[3] and are now used all over the world. Traffic lights alternate the right of way accorded to road users by displaying lights of a standard color (red‚ yellow/amber‚ and green)
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Traffic congestion is a condition on road networks that occurs as use increases‚ and is characterized by slower speeds‚ longer trip times‚ and increased vehicularqueueing. The most common example is the physical use of roads by vehicles. When traffic demand is great enough that the interaction between vehicles slows the speed of the traffic stream‚ this results in some congestion. As demand approaches the capacity of a road (or of the intersections along the road)‚ extreme traffic congestion sets
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Imagine if you will‚ it is 9am and you are on your way to work. A. You get a text from a friend at work while you are driving down the road going 45 miles per hour. B. You begin to text back when you go across the median to oncoming traffic. C. You get into a head on collision with another oncoming vehicle. D. You are ejected from the vehicle and pronounced dead at the scene. II. The scene I have just described to you is what happens many times when people text and drive. III. After
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very high. Pressure on roads has been on increase and the number of vehicles is increasing by leaps and bounds. Lack of road-sense has further complicated the matters. Driving licenses are given on illegal gratifications to the authorities and traffic rules and regulations are thrown to the winds. Overloading is one of the major factors of road- accidents and deaths. The condition of the vehicles is hardly found road-worthy. The unmanned railway level- crossings further add to the chaos and confusion
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INTRODUCTION Traffic Volume Studies A traffic study consists of a comprehensive investigation of existing physical and operating conditions. Analysis of the study data provides insight into possible remedial measures‚ if any. Remedial measures may include various traffic control measures‚ such as speed zoning‚ channelization‚ signing‚ traffic signals‚ safety lighting‚ or a combination of these. Engineers often use counts of number of vehicles or Pedestrians passing a point‚ entering
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Traffic Rules in India The transport department of each and every city around the world has been entrusted with the responsibility of providing a smooth public transportation system on roads‚ controlling pollution under permissible limits‚ keeping a record of registration of vehicles‚ insurance of vehicles‚ issuing permits and collection of taxes. These departments function by devising policies‚ implementing them and then monitor and regulate the functioning of the transport in the city. Traffic
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The National Highway Traffic Safety Administration (NHTSA) defines aggressive driving as "the operation of a motor vehicle in a manner that endangers or is likely to endanger persons or property"a traffic and not a criminal offense like road rage. Examples include speeding or driving too fast for conditions‚ improper lane changing‚ tailgating and improper passing. Approximately 6‚800‚000 crashes occur in the United States each year; a substantial number are estimated to be caused by aggressive driving
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infrastructure‚ large population and rapidly growing economies lead to severe traffic congestion in many parts of the world. The problem is exacerbated by increased diversity in vehicle types and poor adherence to lane discipline. Existing approaches for detecting traffic congestion do not deal with the diversity of vehicle types and lack of lane discipline. In this work self-learning traffic system is practiced for accessing traffic congestion. It can be useful in controlling of vehicles according to the
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1. It refers to the movement of person‚ goods‚ and vehicle‚ either by animals or animals-drawn vehicles or by combustion system from one place to another for the purpose of safe travel. a. Engineering c. Traffic b. Enforcement d. Traffic Management 2. The word traffic originates from Greco-Roman word with reference to the movement of people that dates back from the dawns of history. a. Traffico c. Commercium b. Trafriga d. Guillaumer 3. A
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Traffic Volume Studies Traffic Volume Studies • Engineers often use counts of number of vehicles or pedestrians passing a point‚ entering an intersection‚ or using a particular facility such as travel lane‚ crosswalk or sidewalk. Counts are usually samples of actual volumes‚ although continuous counting is also sometimes performed. Manual Observation Typical equipment needed for manual counts are: Tally Sheets‚ or • Mechanical Count Boards‚ or • Sampling periods may range from
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