13Calculation of average speed of vehicle between detection points

13 Calculation of average speed of vehicle between detection points

For the purposes of section 56DA(3)(a) of the Act, the average speed of the vehicle between two detection points on a road is to be calculated using the following formula and expressed in kilometres per hour, rounded down to the next whole number:

[](/image/ODD average vehicle speed.gif)

where –

D is the shortest practicable distance between two detection points on the road, expressed in metres and rounded down to the next whole number;

T is the time that elapsed between the vehicle passing the two detection points, expressed in seconds and rounded up to the next whole number.