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Road covered with durable surface material
A road surface (British English) or pavement (North American English) is the durable surface material laid down on an area intended to sustain vehicular
Road_surface
Any kind of device or material used on a road surface to convey official information
Road surface marking is any kind of device or material that is used on a road surface in order to convey official information; they are commonly placed
Road_surface_marking
Road surface of macadam, tar and sand
Tarmacadam (a portmanteau of "tar" and "macadam") or tarmac is a road surfacing material made by combining tar and macadam (crushed stone and sand), patented
Tarmacadam
Natural stones for surfacing roads and buildings
building material based on cobble-sized stones, and is used for pavement roads, streets, and buildings. Setts, also called Belgian blocks, are often referred
Cobblestone
Road building method by John Loudon McAdam
the surface stones smaller than the width of a wheel made for a good running surface. The small surface stones also provided low stress on the road, so
Macadam
Emissions produced by motor vehicles, other than exhaust
the air. When in contact with the road, the surface of a tire is steadily abraded by contact with the road surface. This leads to the release of large
Non-exhaust_emissions
Type of road
road is a type of road whose surface has not been sealed with a pavement treatment, such as concrete or bitumen. An unpaved road can be a dirt road,
Unpaved_road
Type of unpaved road surfaced with gravel
A gravel road is a type of unpaved road surfaced with gravel that has been brought to the site from a quarry or stream bed. Gravel roads are common in
Gravel_road
Triangular plot of land used in traffic infrastructure
In road and highway construction, a gore (US) or nose (UK) is a triangular plot of land indicating where a road forks at an intersection or turning area
Gore_(road)
Natural surface created by rock erosion
flat erosion surfaces receive the names of peneplain, paleoplain, planation surface or pediplain. An example of erosion surface is road surface erosion which
Erosion_surface
Unpaved road made from the land's native material
dirt road or dirt track is a type of unpaved road not paved with asphalt, concrete, brick, or stone; made from the native material of the land surface through
Dirt_road
colour-coding of horizontal road surface markings Most European countries are party to the 1968 Vienna Convention on Road Signs and Signals and the associated
Comparison of European road signs
Comparison_of_European_road_signs
Land route
Vienna Convention on Road Traffic defines a road as the entire surface of any way or street open to public traffic. In urban areas roads may diverge through
Road
Highway crack treatment
panels. The final step often involves diamond-grinding of the entire road surface to remove any bumps or dips. Without the dowel bar retrofit this grinding
Dowel_bar_retrofit
Type of wireless power transfer
2017 to increase the occurrence of reflective cracks in road surfaces. INDOT began studying the road installation of a dynamic wireless power transfer (DWPT)
Inductive_charging
Missile type
A surface-to-surface missile (SSM) is a missile designed to be launched from the ground or the sea and strike targets on land or at sea. They may be fired
Surface-to-surface_missile
Topics referred to by the same term
or paving may refer to: Road surface, the durable surfacing of roads and walkways Sidewalk, a walkway along the side of a road, called a pavement in British
Pavement
Cable-stayed bridge in Occitanie, France
the metal road deck under traffic, a special surface of modified bitumen was installed by research teams from Appia (company) [fr]. The surface is somewhat
Millau_Viaduct
Loss of traction due to water buildup under tires
of a road vehicle, aircraft or other wheeled vehicle occurs when a layer of water builds between the wheels of the vehicle and the road surface, leading
Aquaplaning
Topics referred to by the same term
of bitumen with coarse and fine aggregates, used as a road surface Tarmac, the road-surfacing material informally known as "asphalt" Asphalt may also
Asphalt
Reflective road paint
retroreflectivity of road markings. Retroreflectivity occurs when incident light from vehicles is refracted within glass beads that are embedded in road surface markings
Glass bead road surface marking
Glass_bead_road_surface_marking
Topics referred to by the same term
Photographic film markings Road surface marking, such as lines or words, or the stripes of a zebra crossing on a road surface UID-marking, permanent marking
Marking
Powder paint used for road surface markings
Thermoplastic road marking paint, also called hot melt marking paint, is a kind of powder paint. When applied as road surface markings, a hot melt kettle
Thermoplastic road marking paint
Thermoplastic_road_marking_paint
Pavement surface treatment
used on rural roads carrying lower traffic volumes, and the process is often referred to as asphaltic surface treatment. This type of surface has a variety
Chipseal
Road surface term
Road surface textures are deviations from a planar and smooth surface, affecting the vehicle/tyre interaction. Pavement texture is divided into: microtexture
Road_texture
Low skid resistance condition
loose material and the texture of the road surface on the traction produced by the wheels of a vehicle. Road slipperiness can be measured either in terms
Road_slipperiness
Nominal hip position of a vehicle occupant
may have an H-point that is "high" relative to the vehicle floor, the road surface, or both. Technically, the H-point measurement uses the hip joint of
H-point
Part of a carriageway meant for a single line of vehicles
roads, lanes are generally designated with road surface markings. Major highways often have two multi-lane roadways separated by a median. Some roads
Lane
Portion of a tire that is in contact with the road
is the portion of a vehicle's tire that is in actual contact with the road surface. It is commonly used in the discussion of pneumatic (i.e. pressurized)
Contact_patch
Measuring device for road straightness
straightedge or planograph) is an instrument used to measure the surface regularity of roads and similar structures such as airport runways. It consists of
Rolling_straight-edge
Automotive research company
software-based systems that enhance vehicle safety, tire monitoring, and road surface analysis. NIRA supplies automotive original equipment manufacturers (OEMs)
Nira_Dynamics_AB
Retroreflective safety device used in road marking
traffic. A fixed rubber wiper cleans the surface of the reflectors as they sink below the surface of the road (the base tends to hold water after a shower
Cat's_eye_(road)
Aeolian mineral powder
track surface, such as a car or vehicle driving along a road, or a pack of animals such as camels running through the desert. Once the road surface has
Bulldust
Ring-shaped covering around a wheel's rim
the road surface. Contact patch: The contact patch, or footprint, of the tire, is the area of the tread that is in contact with the road surface. This
Tire
Transport engineering vehicle
away the road surface. A Bomag MPH100 soil stabilizer aerating the soil ready for blending with lime A CMI road recycler milling old road surface and blending
Road_recycler
Road signs in South Korea are regulated by the Korean Road Traffic Authority (Korean: 도로교통안전공단). Signs indicating dangers are triangular with a red border
Road_signs_in_South_Korea
Form of motorsport racing on paved roads
Road racing is a North American term to describe motorsport racing held on a paved road surface. The races can be held on a closed circuit—generally,
Road_racing
Thin coating of glazed ice on a surface
ice on a surface, for example on streets or on lakes. The ice itself is not black, but visually transparent, allowing the often black road below to be
Black_ice
Diagram of tire forces in vehicle dynamics
between a vehicle's tire and the road surface. The diagram below shows the tire from above, so that the road surface lies in the x y {\displaystyle xy}
Circle_of_forces
Type of motorcycle crash
or loose material (such as oil, water, dirt, gravel or leaves) on the road surface. In the United Kingdom, Canada, New Zealand and Australia it is referred
Lowsider
Composite material used for paving
United Kingdom and Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures
Asphalt_concrete
Topics referred to by the same term
intensities in an image Surface texture, the smoothness, roughness, or bumpiness of the surface of an object Texture (roads), road surface characteristics with
Texture
Transverse road surface markings
Stop and yield lines are transverse road surface markings that inform drivers where they should stop or yield when approaching an intersection. In some
Stop_and_yield_lines
Edge where a sidewalk meets a road
material used for the road and the desired function or need. For example, a Portland concrete curb used with an asphalt concrete road surface provides a highly
Curb
Infrastructure for draining excess rain and ground water from impervious surfaces
storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain, surface water drain/sewer (United Kingdom), or stormwater drain (Australia and
Storm_drain
Compactor type engineering vehicle
ones. Virtually all road rollers in use today use diesel power. Road rollers use the weight of the vehicle to compress the surface being rolled (static)
Road_roller
Type of road
A sealed road is a road whose surface has been permanently sealed by the use of one of several pavement treatments, often of composite construction. In
Sealed_road
Type of pedestrian crossing
painted – in which case black is typical – or left unpainted if the road surface itself is dark. The stripes are typically 40–60 cm (16–24 in) wide.[citation
Zebra_crossing
Asphalt defect
flushing is shiny, black surface film of asphalt on the road surface caused by upward movement of asphalt in the pavement surface. Common causes of bleeding
Bleeding_(roads)
Government ministry of India
of Road Transport and Highways. 2000: On 17 November, the Ministry of Surface Transport was bifurcated into two Ministries namely Ministry of Road Transport
Ministry of Road Transport and Highways
Ministry_of_Road_Transport_and_Highways
Folding of an articulated vehicle
caused by equipment failure, improper braking, or adverse road conditions such as an icy road surface. In extreme circumstances, a driver may deliberately
Jackknifing
Type of road surface marking
marking or pavement marking shield) is a road surface marking that depicts a route shield and functions as either a road traffic safety measure or a mitigation
Route_shield_pavement_marking
Sport played with metal balls in some parts of Ireland
the bowl stops, not where it leaves the road surface, a chalk mark is made at the nearest point on the road and the next throw is taken from behind that
Irish_road_bowling
Design of lamp
beacons to pedestrian crossings, marked by large metal studs in the road surface. These crossings were later painted in black and white stripes, and thus
Belisha_beacon
Suspension system for a vehicle
maintaining consistent contact between the road wheel and the road surface, as all forces exerted on the vehicle by the road or ground are transmitted through
Car_suspension
Chemicals used to de-ice surfaces
ease of application. Road salts have adverse effects on the environment. Chloride ions from road salt can accumulate in soils, surface waters, and groundwater
Road_salt
Road repair technique
existing road surface to install or repair subterranean public utility conduits and equipment. After the utility is installed or repaired, the road needs
Utility_cut
a segment of road built to reroute the mainline away from a city or congested area. Cab Cant or camber The gradient of the road surface at 90° to the
Glossary of road transport terms
Glossary_of_road_transport_terms
Bridge in Busan, South Korea
South Korea. It connects Haeundae District to Suyeong District. The road surface is about 6,500 metres long, with the bridge as a whole spanning 7,420
Gwangan_Bridge
Vehicle propelled fully or mostly by electricity
electric vehicle collects power from electric power strips buried under the road surface through electromagnetic induction Generated on-board using a diesel engine:
Electric_vehicle
Element on a suspension machine
bumps, into potholes, or otherwise reacting to the irregularities of a road surface. Most control arms form the lower link of a suspension. Control arms
Control_arm
Area of depressed road surface
A pothole is a pot-shaped depression in a road surface, usually asphalt pavement, where traffic has removed broken pieces of the pavement. It is usually
Pothole
Hill pass in the Lake District, Cumbria, England
The tarmac-surfaced road, which is the most direct route from the central Lake District to West Cumbria, shares the title of steepest road in England
Hardknott_Pass
Road safety feature
easily dislodged by truck traffic. Musical road Raised pavement marker Road hazard Road surface marking Road traffic control Speed bump Tactile paving
Rumble_strip
Process in construction of removing at least part of the surface of a paved area
surface of a paved area such as a road, bridge, or parking lot. Milling removes anywhere from just enough thickness to level and smooth the surface to
Pavement_milling
Type of tire used in auto racing
adapting to the texture of the road surface Molecular adhesion at the interface between the tyre rubber and the road surface Slick tyres can provide far
Racing_slick
Road signs in Japan are standardized by the "Order on Road Sign, Road Line, and Road Surface Marking (道路標識、区画線及び道路標示に関する命令)" established in 1968 with origins
Road_signs_in_Japan
Type of road marking
Yellow lines are road markings used in various territories. A single yellow line is a road marking that is present on the side of the carriageway across
Yellow_line_(road_marking)
Term in road design
Drainage gradient (DG) is a term in road design, defined as the combined slope due to road surface cross slope (CS) and longitudinal slope (hilliness)
Drainage_gradient
Topics referred to by the same term
skims over the surface of the water Aquaplaning, a loss of traction caused by a layer of water between the tires and the road surface Using a plane (tool)
Planing
Collective term for all forms of transport which takes place on roads
importance of selecting clean stones for surfacing while excluding vegetable material and clay, resulting in more durable roads. By the late 18th and early 19th
Road_transport
Safety anti-skid braking system used on aerospace and land vehicles
locking up during braking, thereby maintaining tractive contact with the road surface and allowing the driver to maintain more control over the vehicle. ABS
Anti-lock_braking_system
Road hazard caused by buildup of dirt and waste
Road debris, a form of road hazard, is debris that accumulates on or off a road. Road debris includes substances, materials, and objects that are foreign
Road_debris
Traffic management device
about 400 mm (16 in) wide and about 125 mm (5 in) tall, embedded in the road surface. They were usually painted yellow and often decorated with retro-reflective
Silent_cop
Reserved area that separates opposing lanes of traffic on divided roadways
Engineering portal Lane Motorway service area Rest area Road surface marking Shoulder (road) Traffic lane Branford, Jean & Branford, William. A Dictionary
Median_strip
Highway in North Carolina
original designation. In 2008, major flaws in the surface of the highway began to develop. The thin road surface had begun to deteriorate mainly because of heavy
Interstate 795 (North Carolina)
Interstate_795_(North_Carolina)
Topics referred to by the same term
Steve McQueen: popularly known as "The King of Cool" Cool pavement, road surface that uses additives to reflect solar radiation unlike conventional dark
Cool
Mix of crumbled stones
for concrete. Much of the rest is used for road construction, either in the road base or as the road surface (with or without asphalt or other binders
Gravel
Device to reflect radiation back to its source
Retroreflectors can be embedded in the road (level with the road surface), or they can be raised above the road surface. Raised reflectors are visible for
Retroreflector
Type of failure in asphalt pavement
popular road surface types. Asphalt pavement is impacted by traffic and thermal loading. Due to loading, cracks can appear on the pavement surface that can
Reflective_crack
Designated location for parking a vehicle
in a parking lot or on a city street. The space may be delineated by road surface markings. The automobile fits inside the space, either by parallel parking
Parking_space
Construction of surfacing/building road with asphalt or concrete
work relating to the road, most often in the case of road surface repairs. In the United States road work could also mean any work conducted in close proximity
Roadworks
Type of wheel behavior
driver to lose control over the tires that no longer have grip on the road surface. Wheelspin can also be done intentionally such as in drifting or doing
Wheelspin
Chemical compound with formula NaCl
with rock salt and adhered to road surfaces about 40% better than loose rock salt alone. Because it stayed on the road longer, the treatment did not have
Sodium_chloride
Place designated for pedestrians to cross a road
The simplest marked crossings may just consist of some markings on the road surface. In the US these are known as "marked crosswalks". In the UK these are
Pedestrian_crossing
Design of road
2+1 roads are not equipped with barriers and have a mediocre quality of the road surface. The most well-known example of a 2+1 is the M-10 road section
2+1_road
gravel or stone fragments on a road surface and form a hazard to vehicles using that road. It may come from the road's chip seal. Causes include: Unbound
Loose_chippings
adjacent traffic and vice versa. Road surface markings are traffic control devices that are applied directly to the road surfaces. They are used to guide and
Road_traffic_control_device
Road made of logs perpendicular to the direction of travel
for other surfacing. If the logs are buried in wet, acidic, anaerobic soils such as peat or muskeg, they decay very slowly. A few corduroy road foundations
Corduroy_road
Road safety device
delineators, cat's eyes, road studs, or road turtles. Sometimes they are simply referred to as "reflectors". The surface of this type of vibrating coating
Raised_pavement_marker
Textured ground surface indicators to assist blind people
tactile ground surface indicators, tactile walking surface indicators, or detectable warning surfaces) is a system of textured ground surface indicators found
Tactile_paving
Major motorway in England and Wales
special surface was publicised in an episode of the BBC's Tomorrow's World programme. This was the site of the first trial of the new road surface when it
M4_motorway
Formation of ripples in gravel and dirt roads
periodic, transverse ripples in the surface of gravel and dirt roads. Washboarding occurs in dry, granular road material with repeated traffic, traveling
Washboarding
Road junction that uses grade separation
junctions between surface streets. Note: The descriptions of interchanges apply to countries where vehicles drive on the right side of the road. For left-side
Interchange_(road)
ahead Roadway narrows from the left side ahead Uneven road surface ahead Speed hump ahead Slippery road ahead Falling rocks ahead Falling rocks ahead Warning
Road signs in the Southern African Development Community
Road_signs_in_the_Southern_African_Development_Community
Physics concept relating to automobiles
the vehicle and the coefficient of friction between the tires and the road surface, and negligibly by the tires' rolling resistance and vehicle's air drag
Braking_distance
Part of an automobile, motorcycle, or other vehicle body that frames a wheel well
other road spray from being thrown into the air by the rotating tire. Fenders are typically rigid and can be damaged by contact with the road surface. Sticky
Fender_(vehicle)
grooves (grooves cut into roads to mitigate hydroplaning in light rain conditions) and contoured deformations in the road surface upon which the wheel runs
Groove_wander
Composite construction material
asphalt concrete with a bitumen binder, which is frequently used for road surfaces, and polymer concretes that use polymers as a binder. Concrete is distinct
Concrete
How well a vehicle copes with uneven surfaces
vehicle's effectiveness in insulating the occupants from undulations in the road surface such as bumps or corrugations. A vehicle with good ride quality provides
Ride_quality
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