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Road debris, a form of road hazard, is debris on or off-road, off a road. Road debris includes substances, materials, and objects that are foreign to the normal roadway environment. Debris may be produced by motor vehicle, vehicular or non-vehicular sources, but in all cases it is considered litter, a form of solid waste., AAA Foundation for Traffic Safety press release o
"The Safety Impact of Vehicle-Related Road Debris"
Gerry Forbes and John Robinson, June 2004 Debris may tend to collect in areas where vehicles do not drive, such as on the Shoulder (road), edges (shoulder), around traffic islands, and junctions. Road spray or tire kickup is road debris (usually liquid water) that has been kicked up, pushed out, or sprayed out from a tire. In 2004, a AAA Foundation for Traffic Safety study revealed that vehicle-related road debris caused 25,000 accidents and nearly 100 deaths a year.
''The New York Times'', Patricia Leigh Brown, May 11, 2007 * Broken glass, Nail (fastener), nails, screws, and other often sharp objects * List of auto parts, Car parts, tire Tire tread, tread, etc. * Bicycles, roof racks, baggage, luggage, lumber, List of building materials, construction materials, pallets, crates, and other solid objects accidentally or deliberately dropped from moving vehicles * Animal corpses (roadkill) * Broken glass, plastics, and other solid materials that fall off vehicles during traffic collisions * Ice, snow, rain water (puddles or flooding), and other liquids such as grease (lubricant), grease and engine oil * Plants and their parts: branches, leaf, leaves, wikt:stick, sticks, twigs, seeds, or Poaceae, grass clippings.
The Early Show, CBS News' ''The Early Show'', Tatiana Morales, July 13, 2004 or collision, with accompanying injuries or deaths. In the year 2011, the National Highway Traffic Safety Administration's ''Traffic Safety Facts'' found that more than 800 persons were killed across America by "non-fixed objects" (a term that includes roadway debris). California had the highest number of total deaths for any state, while New Mexico had the greatest probability for death from a vehicle-debris crash in that year. In 2004, a AAA Foundation for Traffic Safety study revealed that vehicle-related road debris caused 25,000 accidents—and nearly 100 deaths—each year. At highway speeds, even small debris can be deadly. On June 16, 1925, in the United States, a passenger train carrying German and American tourists from Chicago, Illinois to Hoboken, New Jersey struck debris washed into a road crossing and derailed during a heavy thunderstorm. Collision with road debris resulted in a solar vehicle accident at the SunStang Solar Car Project#World Solar Challenge 2007, World Solar Challenge 2007 in Australia. Road debris tends to collect in areas where two-track vehicles such as cars and buses do not drive. In urban areas, this tends to be on the Shoulder (road), edges (shoulder) and on the crown of the road, and debris frequently collects around traffic islands and junctions. In rural areas, debris collects in the middle of the lane and on the outside of corners and bends."Road Debris"
British Motorcyclists Federation, Christopher Hodder, June 2007 Road debris can be especially dangerous to bicyclists, who may have to travel outside the cycle lane and into traffic to avoid debris. Flooding can also occur if storm drains and street gutters are not kept clear of road debris and litter. Large quantities of water are sometimes thrown up from the road (road spray) by large vehicles, creating visibility problems for the drivers of oncoming, nearby, or following vehicles. Following vehicles may reduce the problem by slowing and increasing the two-second rule, following/separation distance. Headlights (or fog lights) improve vehicle visibility for all drivers, including those dealing with the spray. Driving manuals advise against following vehicles too closely (tailgating) in these hazardous conditions. Road spray can cause reduced visibility and dramatically reduce the safety of motorists."Splash and spray from wet pavements increase safety risks for motorists and are a concern for road authorities."
Australian Asphalt Pavement Association, retrieved 7 March 2010 Over time, road spray and gunk from [a bicycle's] brake pads coat the rim of the wheel, interfering with braking power. In motorsport racing, road debris can cause loss of traction and subsequent crashes. Usually, the yellow caution flag is used to indicate a track hazard, and the safety car, pace/safety car will come out. Road debris can also cause other more specific problems and damage to vehicles. Rocks striking the catalytic converter can cause the internal mat to break and clog the converter. Several product recall, recalls have occurred due to road debris. The 2005 Scion TC's wind deflector was recalled because of potential shatter from road debris impact. The 2004 Mitsubishi Endeavor was recalled in February 2010 when it was determined that a mixture of road salt and road debris (mud) might be trapped between a reinforcing bracket and the fuel tank, fuel filler pipe, causing corrosion. The 2001 Chevrolet C/K chassis cab truck was also recalled on discovery that road debris could strike and damage its pressure relief valves.
''Wired (magazine), Wired'' 15.04, March 2007, retrieved 5 April 2010 ''Spy Hunter'' (1983) features slippery, icy roads and puddles, oil slicks, and smoke screens. ''MotorStorm (video game), MotorStorm'' (2007) depicts air-borne mud that becomes accurately painted onto the body of each vehicle in real-time. Players can use this airborne debris strategically: a chunk of debris may be used to knock opponents off their motorcycles, and mud spatter on the wind-shields might temporarily blind them. ''Fuel (2009 video game), Fuel'' (2009) features "crazy windstorms that kick up leaves and debris."Fuel Off-Road Video Game Review
Josh Burns, off-road.com, 1 July 2009
"The Safety Impact of Vehicle-Related Road Debris"
Gerry Forbes and John Robinson, June 2004 Debris may tend to collect in areas where vehicles do not drive, such as on the Shoulder (road), edges (shoulder), around traffic islands, and junctions. Road spray or tire kickup is road debris (usually liquid water) that has been kicked up, pushed out, or sprayed out from a tire. In 2004, a AAA Foundation for Traffic Safety study revealed that vehicle-related road debris caused 25,000 accidents and nearly 100 deaths a year.
Causes
Road debris can be caused by various factors, including objects falling off vehicles or natural disasters and weather, specifically wind, storms, tornadoes, hurricanes, etc.[http://exchange.aaa.com/safety/roadway-safety/road-safety-tips/ Road Safety Tips - Road Debris], American Automobile AssociationExamples
Examples of road debris include: * Granular material, Particulates, dust#Roads, dust, dirt, sand, and mudAny of these can be mixed with liquid water to create "road spray". * Asphalt, concrete, pebbles, rock (geology), rocks/stones/boulders, etc. * Particles of Sodium chloride#Road salt, road salt and other de-icers * Litter, food waste, animal feces/manure, furniture, electrical appliances, mattresses, and other items of waste, garbage, trash, rubbish and refuse"Highway Debris, Long an Eyesore, Grows as Hazard"''The New York Times'', Patricia Leigh Brown, May 11, 2007 * Broken glass, Nail (fastener), nails, screws, and other often sharp objects * List of auto parts, Car parts, tire Tire tread, tread, etc. * Bicycles, roof racks, baggage, luggage, lumber, List of building materials, construction materials, pallets, crates, and other solid objects accidentally or deliberately dropped from moving vehicles * Animal corpses (roadkill) * Broken glass, plastics, and other solid materials that fall off vehicles during traffic collisions * Ice, snow, rain water (puddles or flooding), and other liquids such as grease (lubricant), grease and engine oil * Plants and their parts: branches, leaf, leaves, wikt:stick, sticks, twigs, seeds, or Poaceae, grass clippings.
Effects
Road surface
Road debris is a hazard that can cause Fishtailing, loss of vehicle control with damages ranging from a flat tire, vehicular rollover, penetration of the passenger compartment by the debris,"Road Debris Can Be Fatal"The Early Show, CBS News' ''The Early Show'', Tatiana Morales, July 13, 2004 or collision, with accompanying injuries or deaths. In the year 2011, the National Highway Traffic Safety Administration's ''Traffic Safety Facts'' found that more than 800 persons were killed across America by "non-fixed objects" (a term that includes roadway debris). California had the highest number of total deaths for any state, while New Mexico had the greatest probability for death from a vehicle-debris crash in that year. In 2004, a AAA Foundation for Traffic Safety study revealed that vehicle-related road debris caused 25,000 accidents—and nearly 100 deaths—each year. At highway speeds, even small debris can be deadly. On June 16, 1925, in the United States, a passenger train carrying German and American tourists from Chicago, Illinois to Hoboken, New Jersey struck debris washed into a road crossing and derailed during a heavy thunderstorm. Collision with road debris resulted in a solar vehicle accident at the SunStang Solar Car Project#World Solar Challenge 2007, World Solar Challenge 2007 in Australia. Road debris tends to collect in areas where two-track vehicles such as cars and buses do not drive. In urban areas, this tends to be on the Shoulder (road), edges (shoulder) and on the crown of the road, and debris frequently collects around traffic islands and junctions. In rural areas, debris collects in the middle of the lane and on the outside of corners and bends."Road Debris"
British Motorcyclists Federation, Christopher Hodder, June 2007 Road debris can be especially dangerous to bicyclists, who may have to travel outside the cycle lane and into traffic to avoid debris. Flooding can also occur if storm drains and street gutters are not kept clear of road debris and litter. Large quantities of water are sometimes thrown up from the road (road spray) by large vehicles, creating visibility problems for the drivers of oncoming, nearby, or following vehicles. Following vehicles may reduce the problem by slowing and increasing the two-second rule, following/separation distance. Headlights (or fog lights) improve vehicle visibility for all drivers, including those dealing with the spray. Driving manuals advise against following vehicles too closely (tailgating) in these hazardous conditions. Road spray can cause reduced visibility and dramatically reduce the safety of motorists."Splash and spray from wet pavements increase safety risks for motorists and are a concern for road authorities."
Australian Asphalt Pavement Association, retrieved 7 March 2010 Over time, road spray and gunk from [a bicycle's] brake pads coat the rim of the wheel, interfering with braking power. In motorsport racing, road debris can cause loss of traction and subsequent crashes. Usually, the yellow caution flag is used to indicate a track hazard, and the safety car, pace/safety car will come out. Road debris can also cause other more specific problems and damage to vehicles. Rocks striking the catalytic converter can cause the internal mat to break and clog the converter. Several product recall, recalls have occurred due to road debris. The 2005 Scion TC's wind deflector was recalled because of potential shatter from road debris impact. The 2004 Mitsubishi Endeavor was recalled in February 2010 when it was determined that a mixture of road salt and road debris (mud) might be trapped between a reinforcing bracket and the fuel tank, fuel filler pipe, causing corrosion. The 2001 Chevrolet C/K chassis cab truck was also recalled on discovery that road debris could strike and damage its pressure relief valves.
Environmental
Small debris particles and dust (primarily from tire wear and vehicle exhaust gas, exhaust particulates) constitute a significant problem when they are washed into the soil and leak into groundwater reservoirs through surface runoff, especially urban runoff. Roadside Soil contamination, soil and water contamination can result when the concentration of harmful constituents is high enough. The greater the surface area of synthetic rubber waste fragments, the greater the potential for breakdown into harmful constituents. For leaching (chemistry), leached tire debris, the potential environmental impact of the ingredients zinc and organic toxicants has been demonstrated. Additionally, debris from lawns in local communities can flush into local waterways. There are currently some laws against blowing organic matter such as grass clippings into the roadway because of their potential toxic effect on the local waterways. Grass being high in nitrogen, which can accumulate in waterways and cause Algal bloom, algae blooms. An example of such laws can be seen in the City of Davenport, Iowa's Clean Air and Water Act.Prevention
A car bra can help reduce damage from minor road debris. Road spray is lessened on stone mastic asphalt and Permeable paving, open-graded asphalt and can be further reduced with Fender (vehicle), fenders (more so on a bicycle since most motor vehicles tend to already have fenders) and/or mud flaps. Street sweepers and winter service vehicles remove most solid road debris and the Adopt a Highway program also helps. Road signs and variable-message signs may warn drivers of special situations involving road debris. The American Automobile Association (AAA) publishes the following recommendations:''''Education
* Motor vehicle operators should know and understand how to secure their loads, load securement requirements, littering laws, and penalties for failing to comply with the regulations. * Drivers carrying loads should periodically inspect their vehicles and cargo to make sure they remain safe and secure. * All drivers should be aware of the surroundings and continuously inspect the road for potential hazards. * Drivers should immediately report unsafe vehicles and unsecured loads.Laws and policy enforcement
* Governments should enact and enforce legislation requiring loads to be covered, or use anti-littering legislation to penalize offenders. * Fines and demerit points for unsecured loads should be increased. * Road debris incidents and crashes should be made an absolute-liability offense.Removal and mitigation
* Maintenance organizations should perform regular road inspection and timely removal of debris. * Better roadway design provides adequate visibility of stationary objects in the roadway to motorists traveling at highway speeds. * Increasing the dispersion of Traffic cones around roadway areas.Popular culture
Ocean Colour Scene, an English Britpop band, made a song about Birmingham, England called "Debris Road" (reputed to be about the road running past the band's recording studios in Ladywood) on their ''Marchin' Already'' 1997 album. Some video games (particularly Racing video game, racing games) include road debris that damages vehicles or obstructs visibility.Ridin’ Dirty: A new game harnesses the PS3 for serious mudslinging.''Wired (magazine), Wired'' 15.04, March 2007, retrieved 5 April 2010 ''Spy Hunter'' (1983) features slippery, icy roads and puddles, oil slicks, and smoke screens. ''MotorStorm (video game), MotorStorm'' (2007) depicts air-borne mud that becomes accurately painted onto the body of each vehicle in real-time. Players can use this airborne debris strategically: a chunk of debris may be used to knock opponents off their motorcycles, and mud spatter on the wind-shields might temporarily blind them. ''Fuel (2009 video game), Fuel'' (2009) features "crazy windstorms that kick up leaves and debris."
Josh Burns, off-road.com, 1 July 2009
See also
*Estray *Litter *Road slipperiness *Roadkill *Storm drain *Street cleaning *Street gutterReferences
External links
{{Road types Road safety Road hazards Articles containing video clips Litter