130How average speed is to be calculated

130 How average speed is to be calculated

130 How average speed is to be calculated

(cf STM Act, s 43A(4))

The average speed of a vehicle between detection points is to be calculated in accordance with the following formula (and expressed in kilometres per hour rounded down to the next whole number)—

where—

DT is the total shortest practicable distance (expressed in kilometres and rounded down to 2 decimal places) that could have been travelled by the vehicle on a road between the detection points.

T is the journey time (expressed in seconds) of the vehicle between the detection points.

s 130: Am 2024 No 73, Sch 1[4].