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The position or the layout of the center line of the highway on the ground is called the alignment. The horizontal alignment includes the straight path, the horizontal deviations and curves. Changes in gradient and vertical curves are covered under vertical alignment of roads. Highway Leading through mountains towards National Park Canada A new road should be aligned very carefully as improper alignment would result in one or more of the following disadvantages :- # Increase in construction cost # Increase in maintenance cost # Increase in vehicle operation cost # Increase in accident rate Once the road is aligned and constructed, it is not easy to change the alignment due to increase in cost of adjoining land and construction of costly structures by the road side. Hence the importance of careful considerations while finalizing the alignment of a new road need not be over emphasized. Stability While aligning hill roads, special care should be take...
FUTURE OF MY COUNTRY
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