Q.

The relationship between SSD and ISD is?

A. ssd = isd
B. ssd = 1.5 ssd
C. ssd = isd + osd
D. ssd = 2 isd
Answer» D. ssd = 2 isd
Explanation: the isd is the intermediate sight distance which is provided when there is no possibility of providing osd as far as possible the roads are provided with ssd = 2 isd relationship.
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