Stopping sight distance and frictional co-efficients are

1.	Stopping sight distance and frictional co-efficients are
A.	directly proportional to each other
B.	inversely proportional to each other
C.	unrelated
D.	either directly or inversely proportional to each other depending on the nature of pavement.
Answer» D. either directly or inversely proportional to each other depending on the nature of pavement.

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Stopping sight distance and frictional co-efficients are

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