Warning Signs Driving

Warning Signs Driving

Car Warning Lights And Indicators – What Do They Mean?

Warning signs are used to alert highway, street or road users to unexpected or dangerous conditions ahead that might call for a reduction of speed, situations that might not be readily apparent, or an action in the interest of safety and efficient traffic operations such as a curve, detour, sideroad, etc.

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What Are The Warning Signs Of Alcoholism? There are various warning signs to help detect potential alcohol abuse. While many signs are recognizable, others may be more difficult to identify. Also, the severity of alcohol abuse may play a role in the warning signs a person exhibits.

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Warning Signs Road Signs

His Majesty commands all coaches , seges and litters coming from Salvador’s entrance to back up to the same part" British specimen, c. Early Czech warning signs defined by a law. The blue signs were later supplanted with red-white-black signs. Pre-standardization British School Zone with metal-cutout generic Warning symbol embellished with red glass reflector-spheres.

Some of the first roadside signs—ancient milestones —merely gave distance measures. Hazard warnings were rare though occasional specimens appeared, such as the specific warning about horse-drawn vehicles backing up which was carved in stone in Lisbon’s Alfama neighborhood in The early signs did not have high-contrast lettering and their messages might have been easily overlooked.

Signs were written in the local language example ; symbolic signs, though long used on certain tradesmen’s signs like the pawnbrokers’ tri-ball symbol were to be used for traffic only much later in history. Complex signage systems emerged with the appearance of motorcars. In the automobile association in West London erected some warning signs. In , nine European governments agreed on the use of four pictorial symbols, indicating bump, curve, intersection, and railroad crossing.

The intensive work on international road signs that took place between and eventually led to the development of the European road sign system. As the 20th century progressed, and traffic volume and vehicle speeds increased, so did the importance of road sign visibility. Earlier flat-painted signs gave way to signs with embossed letters , which in turn gave way to button copy signs— round retroreflective "buttons" helped to achieve greater night visibility.

Flat metal signs reappeared in the s with the widespread use of surfaces covered with retroflective sheeting materials like Scotchlite. In Europe, Vienna Convention on Road Signs and Signals which became effective in tried, among other things, to standardize important signs. After the fall of the Iron Curtain and greater ease of country-to-country driving in the EU , European countries moved toward lessening the regional differences in warning signs.

In modern regulations, U. Some U. In the U. Modern U. Street sign theft by pranksters, souvenir hunters, and scrappers has become problematic: removal of warning signs costs municipalities money to replace lost signs, and can contribute to traffic collisions. Some authorities affix theft-deterrence stickers to the back sides of signs.

Some jurisdictions have criminalized unauthorized possession of road signs or have outlawed their resale to scrap metal dealers. In some cases, thieves whose sign-removal lead to road fatalities have been charged with manslaughter. Modern traffic warning sign shapes and colors[ edit ] Wikimedia Commons has media related to Warning sign. Warning signs can indicate any potential hazard, obstacle or condition requiring special attention.

Diamond-shaped with yellow background and black border Belgium Sweden General warning signs are used in instances in which the particular hazard, obstacle or condition is not covered by a standard sign. In Sweden , the general warning sign has only a vertical line instead of exclamation mark; this model was used also in many other European countries until the s. In the United States and other countries using diamond-shaped signs, the explanatory language is often written directly on the diamond-shaped sign, although it may contain only a general warning such as "Caution", and pictograms may also be used.

Obstacles[ edit ] Warning signs can be placed in advance of, next to or on a specific obstacle. Obstacles such as railway level crossings may have several warning signs beforehand, while bridge ramparts typically have reflective signs placed directly on them on either side. These signs can be specific to the shape requirements of the obstacle, for example, bridge rampart signs are often tall and skinny so as not to intrude into the lane.

Animals crossing the roadway[ edit ] Kangaroo crossing sign in Australia These signs warn of wild animals moose, bear, elk, deer, reindeer, polar bears, camels, wallabies, kangaroos, alligators, etc. In the United States, a "share the road" plaque is sometimes placed below these warning signs when used in this manner.

Unusual vehicles in roadway[ edit ] Taiwan: handcarts crossing. These signs are found where road users could encounter slow, large or non-typical vehicle such as tractors, forklifts, snowmobiles, Amish buggies etc. Road work or construction[ edit ] New Zealand road work sign These signs are often temporary in nature and used to indicate road work construction , poor roads, or temporary conditions ahead on the road including flagmen, survey crew, single-lane, detour, bridge out, utility crew ahead, blasting area, bump, dip, frost heaves, flooding with signs labeled "High water" , soft shoulder, uneven pavement, freshly oiled road, loose gravel, smoke on road, trucks entering, etc.

Note that some "high water" signs are posted to alert drivers of a flood-prone area and do not actually mean that there is a flooded section of road ahead. In France, Italy, Spain, Norway etc. In America and Ireland, signs connected with road work have an orange background. Curves and corners[ edit ] Brazil sharp turn sign These signs indicate that dangerous or unexpected bends in the road are ahead. Signs typically indicate whether the curves are to the right or to the left, the angle of the curve and whether it is one curve or a series of curves.

Chevrons and arrows[ edit ] Philippines curve chevron Chevron -shaped symbols or arrows on rectangular signs may be placed at the actual location of the bend or curve to further mark the location of the curve and to assist in the negotiation of the curve. They may also be used to indicate "merge" with other traffic, as for an on-ramp of a limited-access highway.

An unusual occurrence of the rectangular arrow sign appears on the eastbound approach to Dead Man’s Curve in Cleveland, Ohio , the USA, a curve so sharp that in places an arrow’s stem is printed on one sign and the arrow’s point is printed on another larger sign further down the road; from the driver’s perspective at a distance, the two signs visually blend together to form one large arrow image.

Tunnels[ edit ] United States California These signs are used to indicate tunnels , where lights are usually required, and a general change in the light level. May also indicate low ceiling clearance. Truck drivers should also watch for prohibited cargo signs e. Bridges[ edit ] Italy drawbridge ahead sign These signs are used where traffic may be constricted to a narrow bridge, or where the bridge may have a movable span closed to vehicles while boats pass e.

They may also be used for underpass to indicate low overhead clearance. Traffic signals[ edit ] Australian traffic signal These warning signs indicate that traffic lights are ahead, and are often used when it is difficult to see that a traffic light may already be showing red, to warn a driver to prepare to slow down.

They may be supplemented with flashing light or lighted sign when light is red or turning red. Some countries also have signs warning of signals for ramp meters , fire stations, and airfields. Warning signs for regulatory signs[ edit ] Jamaica give way ahead sign As for traffic signals, above, some "stop" or "yield" signs may require additional warning or reminder, especially in dense areas or where the sign has been added recently.

They may also indicate "hidden driveway" intersecting the road ahead. Compare with bridges, overpasses , viaducts. Lane starts and ends[ edit ] Japan lane decrease sign These signs indicate when a multilane highway is being narrowed, when a passing lane is ending, or where the road is widening or a passing lane starting. Another type of sign is used to indicate central "two-way" left turning lane in center of roadway. Warning signs may also warn of "Highway ends", where the road changes class or type.

Merge to stay with through traffic[ edit ] Peru merging traffic sign In the United States and Canada , there is special signage for lanes that are about to exit, so that drivers who wish to remain on the main road have adequate time to merge. Such lanes are sometimes indicated by special striping "alligator stripes" and the sign, "Through Traffic Merge Left" or right. On freeways, the green directions sign for the exit ramp may have the additional notation, "Exit Only," and should have black letters on a yellow background for emphasis.

End of roadway[ edit ] U. New York City : roadway ends. Signs indicating the end point of a roadway. Pedestrian crossings[ edit ] Netherlands pedestrian crossing sign These signs are used to warn drivers of people walking in the street. They may also be used to warn of children playing, playgrounds, bicycle area, deaf child, blind pedestrians, and thickly settled zones where pedestrians may enter the road. Schools[ edit ] Thailand School crossing ahead These signs mark school zones in which lower speed limits may be in place , student crossings, crossing guards or signals ahead.

The shape of the U. Some Canadian provinces use an identical sign. Russia bicycle crossing warning sign Bicycle crossing signs warn that bicycles will cross at their location. Fire stations[ edit ] Texas emergency vehicles sign. These signs warn of approach to where firefighters may be entering the road with fire engines or other emergency apparatus, where other drivers will have to stop and wait until they pass.

Oncoming traffic[ edit ] Norway two-way traffic sign These signs may be used to warn people of oncoming traffic; shown when a motorway becomes a dual carriageway or a normal road without a central reservation or median.

Level crossing railway crossing [ edit ] Ireland level crossing with gates sign These signs are used to warn of level crossings ahead. Germany uses an electric train. Similar pictograms are also used in Ireland, albeit on an amber diamond sign. In the United States the warning of all types of railway crossings is made using a circular yellow sign.

The actual crossing is also marked with crossed "railroad crossing" crossbuck signs stop, look, listen and possibly lights, bells, and barriers. Falling rocks[ edit ] Ukraine falling rocks sign These signs may be used to indicate the hazards of fallen or falling rocks on the road ahead. They are usually pictographs, but may also include wording, such as "fallen rock", "falling rock", or "rock slide". In Italy the words may be "caduta sassi " or "caduta massi"; in France "chute de pierres"; in Mexico " derrumbe s".

Other warnings aircraft-related [ edit ] Delaware low flying aircraft For example, a warning sign with the image of an aircraft in the middle of it indicates an airport or airfield, where drivers should be prepared for low-flying aircraft. Crosswinds or Side winds[ edit ] Poland side winds sign Flying socks, as indicated in Poland by a windsock on red triangle or yellow diamond signs, indicate locations where a strong side wind may cause the trajectory of the moving vehicle to change drastically, perhaps even "flying" across lanes, causing an accident.

Road conditions[ edit ] Nebraska, may be icy ahead "Slippery when wet", "grooved pavement" warning to motorcyclists and bicyclists , "Open joints on bridge", "Icy Road", "Bridge freezes before roadway" and variants thereof, and "bump" or "dip" ahead not related to construction. Truck drivers will need to pay attention to "Steep grade" warnings or "Down grade, use lower gear" , sometimes posted with the percent grade e.

Steep hills may also feature "Runaway truck escape" or "Emergency stop" areas with corresponding signs. The UK has a sign warning of "Adverse camber " on a curve. In Britain , they are called warning light. Attached lights School zone traffic warning sign in Denmark.

France red traffic signal ahead. Crosswalk alert with solar-powered lit outline. Denmark portable multipurpose traffic warning array. School Zone sign with warning light in U. A sign warning of no further warning signs. Wikimedia Commons has media related to Warning signs.

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