Super-elevation is expressed as
A. the difference of heights of two edges of the carriage-way to the width of the carriage-way
B. the difference of radii of curves
C. the difference of the road gradients
D. none of the above
Answer:A
Super-elevation is expressed as
A. the difference of heights of two edges of the carriage-way to the width of the carriage-way B. the difference of radii of curves C. the difference of the road gradients D. none of the above