Question

 

The usual width of parapet walls along Highways in hilly region, is

A.50 cm
B.60 cm
C.70 cm
D.80 cm
E.100 cm
..

Answer 1

answer is...b. 60 cm.

Answer 2

Option B. 60cm.

• Hilly regions require special warning signs and safety measures to ensure that the passengers do not end up in severe accidents.

• Some of the important measures are:

• The parapet walls: These are build near the downslope of the hills. The main purpose is to prevent from falling down the slope.

• Weep holes: These holes are about 8 to 12cm that are used to prevent flooding in the hilly regions.

• Cliff galleries: These are temporary roads that are constructed during construction of tunnel work. This ensures that the road isn't blocked and people can still travel.