Question

Which of the following is a way to reduce the traffic noise in the highway?

(a) Constructing the vertical barriers

(b) Increase the speed of the vehicles

(c) Using old engine vehicles

(d) Horning in unnecessary time

I had been asked this question during an online exam.

The doubt is from Noise Pollution Control Techniques topic in section Environmental Pollution of Energy Management

Answer 1

Right answer is (a) Constructing the vertical barriers

For explanation I would say: The path of traffic noise can be locked by constructing vertical barriers along the highways. Proper highway planning and design are essential for controlling traffic noise. Establishing lower speed limits for highways also reduced the noise.