Western Australian Current Regulations

ROAD TRAFFIC (VEHICLES) REGULATIONS 2014 - REG 165

165 .         Mass limits relating to heavy vehicle axle spacing

        (1)         In this regulation —

        vehicle means —

            (a)         a heavy vehicle; or

            (b)         a combination that includes a heavy vehicle.

        (2)         This regulation applies to a vehicle if, under this Division, the total mass of the vehicle and its load must not exceed 42.5 t.

        (3)         The mass limits in the Table must not be exceeded in relation to the distances set out in the Table that apply to a vehicle.

        (4)         Each distance in the Table refers to —

            (a)         the distance from the centre of any single axle to the centre of any other single axle; or

            (b)         the distance from the centre of any single axle to the centre of the furthest axle in any axle group; or

            (c)         the greatest distance between the centres of axles in any axle groups.

Measurement of distances for the Table

        (5)         The mass limits in the Table apply to the sum of the mass on each axle group or single axle in the distance mentioned in the Table, including the axles between which the distance is measured.

        (6)         The total mass of a vehicle and its load must not exceed 15 t if the distance between any 2 axles that are not part of the same axle group is less than 2.5 m.

Table — Mass limits relating to axle spacing

Distance (m)		Mass limit (t)
exceeding	not exceeding
0         —	3.7 ................	23.0
3.7         —	3.8 ................	23.5
3.8         —	4.0 ................	24.0
4.0         —	4.2 ................	24.5
4.2         —	4.3 ................	25.0
4.3         —	4.5 ................	25.5
4.5         —	4.7 ................	26.0
4.7         —	4.8 ................	26.5
4.8         —	5.0 ................	27.0
5.0         —	5.2 ................	27.5
5.2         —	5.3 ................	28.0
5.3         —	5.5 ................	28.5
5.5         —	5.7 ................	29.0
5.7         —	5.8 ................	29.5
5.8         —	6.0 ................	30.0
6.0         —	6.2 ................	30.5
6.2         —	6.3 ................	31.0
6.3         —	6.5 ................	31.5
6.5         —	6.7 ................	32.0
6.7         —	6.8 ................	32.5
6.8         —	7.0 ................	33.0
7.0         —	7.2 ................	33.5
7.2         —	7.3 ................	34.0
7.3         —	7.5 ................	34.5
7.5         —	7.7 ................	35.0
7.7         —	7.8 ................	35.5
7.8         —	8.0 ................	36.0
8.0         —	8.2 ................	36.5
8.2         —	8.3 ................	37.0
8.3         —	8.5 ................	37.5
8.5         —	8.7 ................	38.0
8.7         —	8.8 ................	38.5
8.8         —	9.0 ................	39.0
9.0         —	9.2 ................	39.5
9.2         —	9.3 ................	40.0
9.3         —	9.5 ................	40.5
9.5         —	9.7 ................	41.0
9.7         —	9.8 ................	41.5
9.8         —	10.0 ...............	42.0
10.0         —	...............	42.5