![]() ![]() Road sign for roundabout leading to highways 1, 2 and 3 in Mariehamn, Åland Sign in Australia reminding drivers to carry adequate supplies before entering remote areas International conventions Such signs were first developed in Europe, and have been adopted by most countries to varying degrees. Such pictorial signs use symbols (often silhouettes) in place of words and are usually based on international protocols. With traffic volumes increasing since the 1930s, many countries have adopted pictorial signs or otherwise simplified and standardized their signs to overcome language barriers, and enhance traffic safety. Later, signs with directional arms were introduced, for example the fingerposts in the United Kingdom and their wooden counterparts in Saxony. The earliest signs were simple wooden or stone milestones. Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users. The change to the speed limit may be down to adverse weather or maybe an incident ahead but all drivers must obey them or you could be prosecuted for breaking the law.Signboard displaying information for road users A "route confirmation" sign on the Warrego Highway in Queensland, Australia, informing motorists of their distance (in kilometres) from the places listed Fingerposts and other road signage in the English village of Sturminster Marshall, near Poole If the speed limit is reduced on a motorway the overhead gantries will show you the maximum speed that you are legally allowed to drive at. Motorway Speed Limit: Just like a Dual carriageway the speed limit is 70mph unless specified and is signified by a National Speed Limit sign.The national speed limit for a car on a dual carriageway with a central reservation is 70mph and is signified by the National Speed Limit sign. Dual Carriageway Speed Limit: There is a common misconception that the speed limit is 60mph on a Dual Carriageway but this is not the case unless specified.The picture usually has a man with a shovel and END in text on it. A triangular sign signifies the end of a speed restriction at a roadwork’s. Roadwork’s Speed Limit: This can vary but the sign will have a yellow background with a red circular sign and the speed limit on it.This signifies that you may now travel at a speed of up to a maximum 60mph on an outer urban road or up to a speed of 70 mph when on a Dual Carriageway or Motorway. National Speed Limit: This sign is a white circle with a black diagonal stripe through the middle of the sign.40mph: A circular sign with a red circle found in less built up areas.30mph: A circular sign with a red circle found in urban areas.20mph: A circular sign with a red circle, normally found in urban areas – in Scotland this will also have a text box below and it will say “Twenty’s Plenty.”.If there is also a text plate below the numerical sign then it is to make sure the driver’s attention is attracted to the required speed limit of that area. Speed limits signs usually have a red circle, which means the law prohibits you to go above the stated speed. ![]()
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