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Highway Engineering - Engineering

Q1:

A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper of

A 1 in 10

B 1 in 15

C 1 in 20

D 1 in 15 to 1 in 20

ANS:D - 1 in 15 to 1 in 20

Taper refers to Slope. When the single lane is converted to a double lane, the camber effect brings taper.