Question

Widening of road is not required when its radius will be

Answer 1

Answer:

Widening of the pavement on the horizontal curves is governed by the following factors:

(a) Length of the wheel base

(b) Radius of the curve negotiated, R

(c) Psychological factor which depends upon the velocity of the vehicle and the Radius of the curve.

In general extra width is provided on the horizontal curves when the radius is less than 300 m.

Now,

Extra widening = mechanical Widening + Psychological Widening

Explanation: