The important factor considered in the design of summit curves on highways is __.
A. comfort to passenger
B. superelevation
C. sight distance
D. impact factor
Answer:C
The important factor considered in the design of summit curves on highways is __.
A. comfort to passenger B. superelevation C. sight distance D. impact factor
Explanation: When a fast-moving vehicle travels along a summit curve, the centrifugal force will act upward, against gravity, which relieves some of the pressure on the tyres and suspension springs of the vehicle.