Highway Engineering
The camber of road should be approximately equal to

two times the longitudinal gradient
longitudinal gradient
half the longitudinal gradient
three times the longitudinal gradient

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Highway Engineering
The effect of grade on safe overtaking sight distance is

to decrease it on descending grades and to increase it on ascending grades
to increase it on descending grades and to decrease it on ascending grades
to decrease it on both descending and ascending grades
to increase it on both descending and ascending grades

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