16 In one or two short sentences explain the differences bet

16. In one or two short sentences explain the differences between design speed, posted speed and operating speed.

Solution

Design speed is the speed considered while designing the various elements of a road like superelevation etc.

Operating speed is the speed at which the vehicles normally \"operate\" on the road. Note this speed can be greater than the design speed.

Posted speed is the limit of Operating speed imposed by the authorities.