Highway Engineering
Stopping sight distance is always

None of these
more than overtaking sight distance
equal to overtaking sight distance
less than overtaking sight distance

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

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

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