The distance travelled by a moving vehicle during perception time and brake reaction time is known as

Sight distance

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Stopping distance

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Lag distance

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Braking distance

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Solution

The correct option is C Lag distance
(c) Distance moved by a vehicle during perception and brake reaction time is lag distance.

Note : The distance travelled by the vehicle after the application of the brakes, to a dead stop position which is known as the braking distance.

Stopping distance = lag distance + braking distance

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