The effect of grade on safe overtaking sight distance is | HIGHWAY ENGINEERING

a) to increase it on descending grades and to decrease it on ascending grades
b) to decrease it on descending grades and to increase it on ascending grades
c) to increase it on both descending and ascending grades
d) to decrease it on both descending and ascending grades
Ans: c

Select the correct statement. | HIGHWAY ENGINEERING

a) Nagpur road plan formulae take into account the towns with very large population.
b) Nagpur road plan has a target road length of 32 km per 100 square km.
c) Second 20-year plan has provided 1600 km of expressways out of the proposed National highway.
d) Second 20-year plan allowed deduc-tion of length of railway track in the area while calculating the length of roads.
Ans: c