Highway Engineering
In case of hill roads, the extra widening is generally provided

fully on the inner side of the curve
fully on the outer side of the curve
one-fourth on inner side and three-fourth on outer side of the curve
equally on inner and outer sides of the curve

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Highway Engineering
The sequence of four stages of survey in a highway alignment is

preliminary survey, map study, reconnaissance and detailed survey
map study, preliminary survey, reconnaissance and detailed survey
map study, reconnaissance, preliminary survey and detailed survey
reconnaissance, map study, preliminary survey and detailed survey

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