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A shoulder (American English), hard shoulder (British English) [1] or breakdown lane (Australian English) is an emergency stopping lane by the verge on the outer side of a road or motorway. Many wider freeways , or expressways elsewhere have shoulders on both sides of each directional carriageway—in the median, as well as at the outer edges ...
A geometric design saved on construction costs and improved visibility with the intention to reduce the likelihood of traffic incidents. The geometric design of roads is the branch of highway engineering concerned with the positioning of the physical elements of the roadway according to standards and constraints. The basic objectives in ...
An Interstate Highway under construction , with both directions of traffic moved to one side of the roadway I-94 in Michigan, showing examples of non-interchange overpass signage in median, upcoming exit signage on right shoulder, a pre-1960 overpass with height restriction signage, newly installed cable median barrier, and parallel grooved ...
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.
Orange painted lines are sometimes used when the direction of the road is altered temporarily for construction projects. However, the color scheme was reversed before 1971, when white was formerly used to denote the separation of opposing traffic, and yellow lines, when used, to denote the separation of the paved road from the right-hand shoulder.
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Slow or stop when the vehicle is disabled and traffic or other circumstances prohibit the safe movement of the vehicles to the shoulder to the right of the main traveled portion of the roadway.
A path along the side of a road. Shoulder A reserved lane by the verge of a road or motorway. Shunpiking The act of deliberately avoiding toll roads by using a toll-free alternate route. Single carriageway or undivided highway A road with one, two, or more lanes arranged within a roadway or carriageway with no physical separation of opposing ...