Abb Commander 350 User Manual' title='Abb Commander 350 User Manual' />Express Helpline Get answer of your question fast from real experts.Speed limit Wikipedia.A typical 6. 0 kmh speed limit sign used in Australia.A typical 5. 0 mph speed limit sign in the United States.A typical 5. 0 mph speed limit sign in the United Kingdom.Road speed limits are used in most countries to set the maximum or minimum in some cases speed at which road vehicles may legally travel on particular stretches of road.Abb Commander 350 User Manual' title='Abb Commander 350 User Manual' />Speed limits may be variable and in some places speed is unlimited e.Autobahn sections in Germany.Speed limits are normally indicated on a traffic sign.Speed limits are commonly set by the legislative bodies of nations or provincial governments and enforced by national or regional police andor judicial bodies.The first maximum speed limit was the 1.United Kingdom in 1.The highest posted speed limit in the world is 1.Poland1 and Bulgaria 2 similarly Texas posts 8.However, some roads have no speed limit for certain classes of vehicles.Best known are Germanys less congested Autobahns,4 where automobile drivers have no mandated maximum speed.Measurements from the German state of Brandenburg in 2.Rural roads on the Isle of Man6 and the Indian states of Andhra Pradesh,7Maharashtra,8 and Telangana,9 also lack speed limits.Speed limits are usually set to attempt to cap road traffic speed there are several reasons for wanting to do this.It is often done with an intention to improve road traffic safety and reduce the number of road traffic casualties from traffic collisions.In their World report on road traffic injury prevention report, the World Health Organization WHO identify speed control as one of various interventions likely to contribute to a reduction in road casualties.The WHO estimated that some 1.Speed limits may also be set in an attempt to reduce the environmental impact of road traffic vehicle noise, vibration, emissions and to satisfy local community wishes for streets usable by people out of cars.Some cities have reduced limits to as little as 3.However, it has also been shown that in some circumstances changing a speed limit has little effect on the average speed of cars.In situations where the natural road speed is considered too high by governments, notably in urban areas where speed limits below 5.For some classes of vehicle, speed limiters may be mandated to enforce compliance.Since their introduction, speed limits have been opposed by some motoring advocacy groups.HistoryeditThe United Kingdom Stage Carriage Act 1.The first numeric speed limits were created in the UK by a series of Locomotive Acts 1.Act introduced a UK speed limit of 1.The Locomotives on Highways Act 1.London to Brighton Veteran Car Run.The first person to be convicted of speeding is believed to be Walter Arnold of East Peckham, Kent, who on 2.January 1. 89. 6 was fined for speeding at 8 mph 1.He was fined 1 shilling plus costs.In the UK 2. 0 mph speed was allowed in 1.In Australia, during the early 2.One conviction in 1.In the 1. 96. 0s, in continental Europe, some speed limit were established based on the V8.Later Sweden defined the Vision Zero program1.Regulationsedit. Speed limit sign in Germany, showing a 6.Signs in other European countries are similar but make use of different fonts and sizes.Most jurisdictions use the metric speed unit of kilometers per hour for speed limits, while some, primarily the United States and the United Kingdom, use speed limits given in miles per hour.There is an ongoing discussion as to whether they should follow the lead of other countries and switch to using metric units see Metrication in the United Kingdom and Metrication in the United States.Basic ruleeditSee also main article on the Basic Speed Law or Rule.Vienna Convention on Road TrafficeditIn countries bounded by Vienna Convention on Road Traffic 1.Speed and distance between vehicles1.Every driver of a vehicle shall in all circumstances have his vehicle under control so as to be able to exercise due and proper care and to be at all times in a position to perform all manuvres required of him.He shall, when adjusting the speed of his vehicle, pay constant regard to the circumstances, in particular the lie of the land, the state of the road, the condition and load of his vehicle, the weather conditions and the density of traffic, so as to be able to stop his vehicle within his range of forward vision and short of any foreseeable obstruction.He shall slow down and if necessary stop whenever circumstances so require, and particularly when visibility is not good.Reasonable speededit.Map of highest posted speed limits around the world.Click to zoom in.Drivers are required to drive at a safe speed for conditions.In the United States, this requirement is referred to as the basic rule,1.Britain and elsewhere in common law as the reasonable man requirement.The German Highway Code Straenverkehrs Ordnung section on speed begins with a statement2.English Any person driving a vehicle may only drive so fast that the car is under control.Speeds must be adapted to the road, traffic, visibility and weather conditions as well as the personal skills and characteristics of the vehicle and load.In France the law clarifies that even if speed is limited by law and by local authority, the driver assumes the responsibility to control his vehicles speed, and to reduce speed in various circumstances, such as overtaking a pedestrian, or bicycles, individually or in a group, when overtaking a stopped convoy, when passing a transportation vehicle loading or unloading people or children, in any case where road does not appear clear, or risky, when visibility is low rain, fog,., in turns, when the road goes rapidly down, in road sections that are small, busy, or with homes, near the top of the road, near a crossing when visibility is not sure, when specific lights are used, when overtaking animals2.According to the same article, the fact for a driver to not keep master of its speed or to not reduce it in such cases is penalized.The US federal government has a similar law4.CFR 3. 92. 1. 42.California Vehicle Code section 2.No person shall drive a vehicle upon a highway at a speed greater than is reasonable .The basic speed law is almost always supplemented by specific maximum or minimum limits, but applies regardless. 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The reasonable speed may be different than the posted speed limit in conditions such as fog, heavy rain, ice, snow, gravel,2.Assured Clear Distance Ahead ACDA.Basic speed laws are statutized reinforcements of the centuries old common lawnegligence doctrine as specifically applied to vehicular speed.Excessive speededitConsequential results of basic law violations are often categorized as excessive speed crashes for example, the leading cause of crashes on German autobahns in 2.However, excessive speed does not necessarily mean that the speed limit has been exceeded if one even exists, rather that police determined at least one party traveled too fast for existing road3.Examples of conditions3.Per distance traveled, consequences of inappropriate speed are more frequent on lower speed, lower quality roads 4.United States, for example, the speeding fatality rate for local roads is three times that for Interstates4.Citations for violations of the basic speed law without a crash4.State of Montana.Even within states, differing jurisdictions counties and cities choose to prosecute similar cases with differing approaches.Rationale for speed limiteditAs it has been observed that speeding is a reason for crash and fatalities, for safety and to protect vulnerable users, inluding pedestrian, some State defined speed limit.The effect of speed has been popularized by Nilssons Power Model, which legitimize the set up speed limits in various nations1.Speeding also creates noise 1.BA by doubling the speed 1.Speed limit are established for normal conditions.Speed limit is not a target of speed1.Maximum speed limitsedit.In France city sign has value of speed limit.A street limited at 3.End of speed limit, previous speed limit applies.Most public roads in most countries have a legally assigned numerical maximum speed limit which applies on all roads unless otherwise stated lower speed limits are often shown on a sign at the start of the restricted section, although the presence of streetlights or the physical arrangement of the road may sometimes also be used instead.Todays Stock Market News and Analysis.CLOSEXPlease confirm your selection.You have selected to change your default setting for the Quote Search.This will now be your default target page.