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Topic: Pavement marker (roads)

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	Nebraska Supreme Court Affirms State's Negligence Where Edge Dropoff in Work Zone Resulted in Fatal Crash
		Raised plastic markers delineated the centerline of the highway, but there were no markings setting out the edge of the highway or the edge of the paved shoulder.
		These markers shall be placed at 300' intervals on both sides of the roadway either opposite each other or at staggered one-half (1/2) intervals on both sides.
		The markers shall be firmly installed twelve inches plus or minus six inches from the pavement edge at a minimum height of three feet from ground elevation to the base of the object marker.
	www.usroads.com /journals/rilj/0008/ri000802.htm (7037 words)

	Pavement (roads) - Wikipedia, the free encyclopedia
		Most asphalt pavements are built on an imported gravel base which is generally at least as thick as the asphalt layer, although some 'full depth' pavements are built directly on the native subgrade.
		Brick, cobblestone and wood plank pavements were once common in urban areas throughout the world, but due to their high manual labor requirements they are in some countries typically only maintained for historical reasons, while in other countries they are still common in local streets.
		As pavements primarily fail due to fatigue (in a manner similar to metals), the damage done to a pavement increases exponentially with the axle load of the vehicles traveling on it.
	en.wikipedia.org /wiki/Pavement_(roads) (1081 words)

	Contruction and Makeup of Roman Roads (Site not responding. Last check: 2007-09-20)
		There are sections of road where the surface layer is only two to three inches thick, while some are one to two feet in the center and thin to a few inches at the sides (Margary 21).
		Chevallier also quotes Broise in the discussion of road surfaces, saying that there are places where the excavated road is found to be a series of layers of gravel as thick as a meter, the result of numerous resurfacings (87).
		In closing, it is most important to remember that the ancient Roman road consists of three layers: a bottom foundation layer, often of stone; a middle layer of somewhat softer material (such as sand or gravel); and a surface, or “metalling,” usually a gravel, sometimes paving stones.
	www.unc.edu /courses/rometech/public/content/transport/Adam_Pawluk/Contruction_and_Makeup_of_.htm (3192 words)

	[No title]
		Pavement markings and delineation devices serve important path guidance functions on horizontal curves, particularly under adverse visibility conditions, at twilight, and at nighttime.
		An early study of surface pavement markings, carried out with an interactive driving simulator plus field evaluations, concluded that driver performance--measured by the probability of exceeding lane limits--was optimized when the luminance (brightness) contrast between pavement markings and the roadway was 2.0 (Blackwell and Taylor, 1969).
		In addition, the validity of the assumption of a speed differential for wet pavement conditions between design speed and top driving speed is questionable, since there is very little evidence to substantiate the assumption that all motorists are likely to reduce their speed on wet pavements.
	www.tfhrc.gov /humanfac/01103/ch3.htm (9644 words)

	Selection Procedures for Pavement Warranties - Pavement - FHWA
		For example, segregation and block cracking of HMA pavements does affect the performance of the pavement but it is a subjective evaluation and is already included in the rideability, or IRI, of the facility as well as in longitudinal cracking indicators.
		Pavement indicators such as friction that are not part of the HPMS program can still be objectively evaluated by utilizing the agency's existing pavement friction evaluation program.
		Pavement distresses such as various types of cracking, corrugations, or distortions are not measured or rated directly, but they may affect the ride measurement and may need correction to provide satisfactory warranty values.
	www.fhwa.dot.gov /pavement/warranty/selction.cfm (6366 words)

	DRIVING THE BAJA HIGHWAY
		The other reason is the construction of the road itself: narrow (9 foot lanes in most places) with many sharp curves and, in some areas, a lack of stripes to mark the center and sides of the roadway.
		The pavement is showing signs of numerous vehicles having scraped the bottom of this "dip," probably after "flying" off the top and landing very hard at the bottom.
		The road to Ensenada is 1 or 2 blocks south and east of the border crossing.
	www.bajalife.com /bajaroad.htm (6863 words)

	Munsys Technologies (Pty) Ltd. (Site not responding. Last check: 2007-09-20)
		Munsys Roads is used to capture and maintain road networks and associated data such as traffic intersections.
		Roads are constructed within road reserves or at a specified offset from cadastral boundaries.
		Attributes such as road names and route numbers are maintained in master lookup tables, ensuring consistent spelling and naming conventions.
	www.munsys.com /products/roads.aspx (167 words)

	Road reflector - Pavement Marker - Twin Lens(BLF-551) - BAO-LIH-FA Co., Ltd.
		Road reflector - Pavement Marker - Twin Lens(BLF-551) - BAO-LIH-FA Co., Ltd.
		Markers are compatible with all commercially available epoxy and bituminous adhesives used for pavement markers.
		The adhesion to roads of this product is much higher than that with without insert.
	www.allproducts.com /traffic/baolihfa/03-road-marker-blf551.html (222 words)

	Ohio Sport Bike Roads (Site not responding. Last check: 2007-09-20)
		Road has light traffic and can be taken at slow to medium speed.
		Conditions: This is a very technical road that has lots of elevations changes and various types of turns, tight ones, sweepers and even a few decreasing radius.
		About 5 miles--This is just a little connector road up over a mountain between SR 26 and SR The pavement is so-so, but the turns are good, and the view is nice.
	my.execpc.com /~ytk/oh.htm (1108 words)

	America on the Move \| Pavement marker
		Roads that had been improved for bicycles in the 1890s were often ruined by automobile traffic, and dirt roads remained impassable for much of the year.
		Early cars—particularly the Ford Model T, which sat up high—were designed to cope with rural roads, but roads had to change to accommodate cars.
		By 1935, more than a third of rural roads were surfaced, and many were paved with concrete and asphalt for motor traffic.
	americanhistory.si.edu /ONTHEMOVE/collection/object_174.html (140 words)

	America on the Move \| Better Roads
		Bicyclists and railroad companies began calling for good roads in the 1880s, but American road building really took off in the 20th century as a response to rising numbers of cars and trucks.
		Some of these new roads were private initiatives, such as the Lincoln Highway, but after 1916, federal law and government money fueled much of the country’s road building.
		Road draggers, scrapers, and levelers were used to build, grade, and maintain rural dirt and gravel roads.
	americanhistory.si.edu /onthemove/exhibition/exhibition_8_3.html (421 words)

	Ohio Sport Bike Roads
		The road is heavily infested with very slippery tar snakes, and to make it worse, in every inside corner, gravel has been dragged to almost to the middle of the curve from the cages.
		Road has light traffic and can be taken at slow to medium speed.
		You are now in the most dangerous section after you pass the road to the left that heads to the trailer park.
	www.sportbikeroads.com /oh.htm (2122 words)

	Pembroke Pines Public Services - Roads
		The street markers shall be required where two or more streets intersect and one street marker shall be required where the streets join in a "T".
		The location, direction, and width of all streets, roads, and highways shall conform to the official trafficways plan where such a plan is in existence and is applicable.
		All roads in new subdivisions within the city shall have a minimum crown of road elevation of 6.0 feet M.S.L. The longitudinal slope criteria shall be 0.3% for valley-gutter sections and curb and gutter sections, and 0.5% for swale section.
	www.ppines.com /publicservices/roads.html (2963 words)

	PAVEMENT MARKER (ROADS) - GoGoSearch.com (Site not responding. Last check: 2007-09-20)
		Solar Road Markers, Road Studs, LED Lighting Solar
		That with which anythingis paved; a floor or covering of solid material, laid so as to make a hard and convenient surface for travel; a paved road or sidewalk; a decorative interior floor of tiles or colored bricks.
		Road work on Interstate 44 in south central and southwest Missouri will cause some road and lane closings tomorrow.
	www.gogosearch.com /wiki/Pavement_marker_(roads) (188 words)

	Comparison Test - Lynx Roadstuds and Roadsafety Products
		After 6 months under heavy traffic, however, SWAREFLEX 301B markers have reflection values that are 5 times higher than those of the PMMA reflectors when measured without cleaning and 8 times higher than those of the PMMA reflectors when measured after cleaning (valid for measuring geometry I, i.e., great distance between car and reflector).
		Their coefficients of luminous intensity in a new state are 40 to 50 percent lower than those of rectangular reflectors of the same type.
		If the visual guidance on the left side of the road achieved by round delineator reflectors is to live up to the values attained by rectangular reflectors on the right side, the suggested minimum coefficient of luminous intensity for cleaned round reflectors in working condition is 150 med/lx.
	www.lynxroadstuds.co.za /test_reflector.htm (1671 words)

	Ohio Valley Giant Bones
		In removing the gravel bluffs, which are numerous and deep, for the construction and repairs of roads, and in excavating cellars, hundreds of human skeletons, some of them giant form have been found.
		Par of the pavement was of boulder stone and part of well preserved brick.
		Two miles from Mandan, on the bluffs near the junction of the Hart and Missouri Rivers, says the local newspaper, the Pioneer, is an old cemetery of fully 100 acres in extent filled with bones of a giant race.
	www.geocities.com /saqatchr/page46.html (5438 words)

	US 12 project history
		Lane consists of a 12-foot-wide, 9-inch-thick concrete pavement with gravel shoulders.
		Installation of passing lanes at WIS 78, Fischer Road, and Schneider Road and right-turn lanes at County KP and Kickaboo Road.
		Installation of raised pavement markers between Graber and Schneider roads.
	www.dot.state.wi.us /projects/d1/us12/history.htm (1158 words)

	MBS Exports (P) Ltd. (Site not responding. Last check: 2007-09-20)
		We provide consultancy for Traffic/ Road safety management to undertake the turnkey projects from survey to implementation for safer and brighter roads.
		Raised Pavement Marker Series 290 brightens roads by up to three times more than commonly used road markers.
		Unlike traditional markers, the 3m Marker Series 290 uses prismatic lenses for superior performance even in wet weather conditions.
	www.udyogisafety.com /road/product.html (550 words)

	Transit New Zealand - Glossary
		Each parcel of land adjoining a State highway which is limited access road that does not have a reasonable legal alternative access to some other road is entitled to at least one crossing place where vehicles are permitted to enter and leave the road.
		They are part of the normal road operations and traffic guidance and are made of standard design, colour, shape etc and convey instructions of warning or advice on road conditions, destinations, traffic control, and tourist and motorist services.
		Properties separated from a road by a segregation strip lose their direct access to the road adjoining the segregation strip but are generally provided with alternative road access.
	www.transit.govt.nz /about/glossary.jsp (8500 words)

	RoadVision Technologies - Highway Beacon
		The highway environment is challenging and meeting the required performance criteria for a plow-able raised pavement marker is exceptionally difficult.
		To date, only non-depressible rigidly affixed markers that force the plow blade over the reflector by means of a cast iron housing have been available.
		Simple physics dictates that rigid markers cannot work due to the fact that as lens profile becomes high enough to be visually effective, the resulting vehicle and snowplow impact forces quickly damage the lenses, castings and often plow blades.
	www.highwaybeacon.com /product.htm (355 words)

	Virginia Department of Transportation: Press Release (Site not responding. Last check: 2007-09-20)
		The Virginia Department of Transportation recently installed raised pavement markers on sections of Route 221 in Carroll County and Route 24 in Bedford County, and the work was completed ahead of schedule and under budget.
		Snow-plowable, raised pavement markers are placed along the centerline of major roads to help drivers see painted lines at night or during foggy conditions.
		VDOT’s contractor, Roadmark Corp. from Durham, N.C., was contracted to install the markers on six miles of Route 221 in Carroll County and on nine miles of Route 24 in Bedford County.
	www.virginiadot.org /infoservice/news/newsrelease.asp?ID=SAL-219 (223 words)

	Brunswick Public Works Department
		Excavated material, excluding boulders/rocks greater than 8 inches, pavement and organic material, may be re-used as general backfill providing it does not contain an excessive amount of clay, which prevents good compaction.
		Backfill for the base courses is to be with 12" of Grade D gravel followed by a 3" layer of Grade A gravel for areas to be repaved.
		The curb shall have a foundation equal to the road base with a 12" wide 2" thick asphalt base to fully support the asphalt curb.
	www.brunswickme.org /dpw/roadstds.htm (2832 words)

	TIJ Book: Chapter 6
		The condition of the roads during the strike, as measured by days of icing and days blocked, were at least as good as during normal times.
		Operation Open Roads was a program to provide a light pavement connection, from the community to the highway system, for hundreds of towns and villages that were not located on a highway.
		That road was a particular challenge as it meant traversing several hundred miles of forest, marsh, rivers and lakes.
	www.innovation.cc /books/chapter06.htm (7978 words)

	Curb Marker FAQ
		Our markers are less expensive than brass or ceramic or thermal plastic, won't crack and crumble (ceramic), won't bend exposing sharp edges (aluminum), won't tarnish (brass), and have no scrap value (brass and aluminum).
		The Economark Style marker offers a greater degree of abrasion protection but is much less UV resistant and may yellow or cloud over time depending upon the exposure.
		The squeeze tubes are the preferred choice for smaller markers or installations being done in multiple locations where the ability to re-cap the tube is advantageous.
	www.dasmanufacturing.com /faq.html (1157 words)

	Pavement Technology - Airport International
		The surface sections of roads and runways are known as "pavements".
		To serve its purpose, a pavement must have adequate load-carrying capability, good rideability and must allow safe operation of vehicles on roads and aircraft on air traffic areas.
		Timely maintenance of pavements will lead to maintenance of adequate frictional value, increased pavement lifespan and has an effect on the safety of the user.
	www.airport-int.com /categories/pavement-technology/pavement-technology.asp (850 words)

	Roads Through History Heritage Objects
		Roads Through History explores the history of road making from the time when all road-making was done by hand, using shovel, picks and wheelbarrows, through to an era of heavy motorised machinery.
		They relate to a time period within the evolution of the Highways Department (1900s to 1980s) where the primary focus was on constructing and maintaining safe and reliable roadways throughout South Australia.
		These objects represent a connection to the history of roads and road-making in South Australia.
	www.history.sa.gov.au /chu/programs/sa_history/roads/objects.htm (277 words)

	NJDOT Engineering - Speedbumps
		"Private roads" means semipublic or private roads, streets, driveways, parkways, parking areas, or other roadways owned by a private person, corporation or institution open to or used by the public for the purposes of vehicular travel by permission of such persons, corporations or institutions and not as a matter of public right.
		A municipality or board shall provide advance warning, including but not limited to, the erection of appropriate signs giving notice of the presence of speed humps before the first speed hump in a series of speed humps and provide for a pavement marker to be placed at the location of the first speed hump.
		The signing and pavement markings for a speed hump shall conform to the current standards prescribed in the Manual of Uniform Traffic Control Devices for Streets and Highways as adopted by the Commissioner of Transportation.
	www.state.nj.us /transportation/eng/documents/speedhumps (410 words)

	Alaska Roads - Newfoundland/Maritimes road photos (page 1 of 3)
		This photo was taken in the Signal Hill district of St. John's, which used to be the east end of the TCH and still has some of the old route markers (see page 2 for the TCH's new east end).
		The only Road to the Shore photo I took is from central Newfoundland, on route 320 just east of the exit from the Trans-Canada Highway at Gambo.
		The older-style trail markers appear every 30-40 km or so, indicating the distance from Deer Lake, and include the only thing resembling a km-marker on any of the highways I traveled in Newfoundland (by contrast, the other Maritime Provinces have km-markers at least on the TCH and other major routes).
	www.alaskaroads.com /photos-Newfoundland.htm (960 words)

	Alaska Roads - Newfoundland/Maritimes road photos (page 3 of 3)
		This is the standard provincial route marker in New Brunswick, on this primary highway east of Moncton.
		This one in particular, in Mahone Bay on the scenic Lunenburg Coast, used to be a branch of a trunk route.
		The historic route marker above apparently is the old route marker, with the route name appearing in place of where the number would go on a standard trunk route marker.
	www.alaskaroads.com /photos-Maritimes.htm (1248 words)

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