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Sub-base layer composed of cement-based material being applied during construction of the M8 motorway in Ireland Road construction in Myanmar. Road construction requires the creation of an engineered continuous right-of-way or roadbed, overcoming geographic obstacles and having grades low enough to permit vehicle or foot travel, [38]: 15 and ...
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Highway engineering (also known as roadway engineering and street engineering) is a professional engineering discipline branching from the civil engineering subdiscipline of transportation engineering that involves the planning, design, construction, operation, and maintenance of roads, highways, streets, bridges, and tunnels to ensure safe and effective transportation of people and goods.
Replacing the old road with cobblestones of cement in Bo'ao Road area, Haikou City, Hainan, China. Road work in Oulu, Finland. Roadworks, also called road construction or road work, occur when part of the road, or in rare cases, the entire road, has to be occupied for work relating to the road, most often in the case of road surface repairs.
Macadam is a type of road construction pioneered by Scottish engineer John Loudon McAdam c. 1820, in which crushed stone is placed in shallow, convex layers and compacted thoroughly. A binding layer of stone dust (crushed stone from the original material) may form; it may also, after rolling, be covered with a cement or bituminous binder to ...
Construction of Interstate 95, downtown Richmond. Road expansion refers to the increasing rate at which roads are constructed globally. Increases in population size and GDP, particularly in developing nations, are the primary drivers of road expansion [1] but transportation planning decisions also play an important role.
It includes the design, construction and regulation of the roads, the vehicles used on them and the training of drivers and other road-users. A report published by the World Health Organization in 2004 estimated that some 1.2 million people were killed and 50 million injured on the roads around the world each year [ 27 ] and was the leading ...