CURVES Curves are usually employed in lines of communication in order that the change of direction at the intersection of the straight line shall be gradual. The lines connected by ...
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...Curves are usually employed in lines of communication order that the change direction at intersection straight line shall be gradual connected by tangential to it and called as tangents or straights necessityofcurves route road track is always desirable since provides economy construction transportation maintenance but when there alignment gradient then becomes a need provide under following circumstances excessive cutting filling can prevented providing obstruction which came way made easier pass with help more comfortable easy diversions costly land comes avoided types horizontal vertial simple curve summit compound valley reverse transition combined consist single arc connecting two normally represented length its radius degree...