ARX

ARX is a modification of AustRoads94. It removes class 12, moves all other classes up by one, and inserts a cycle class as class 1.

  • Units: Metric (m)

  • Car class: 2

  • Unclassifiable vehicle class: 13

Axles Groups Description Class Parameters Dominant Vehicle Aggregate
2 1 or 2

Very Short - Bicycle or Motorcycle

MC 1 d(1)<1.7m & axles=2
1 (Light)
2 1 or 2

Short - Sedan, Wagon, 4WD, Utility, Light Van

SV 2 d(1)>=1.7m, d(1)<=3.2m & axles=2
3, 4 or 5 3

Short Towing - Trailer, Caravan, Boat, etc.

SVT 3 groups=3, d(1)>=2.1m, d(1)<=3.2m, d(2)>=2.1m & axles=3,4,5
2 2 Two axle truck or Bus TB2 4 d(1)>3.2m & axles=2
2 (Medium)
3 2 Three axle truck or Bus TB3 5 axles=3 & groups=2
>3 2 Four axle truck T4 6 axles>3 & groups=2
3 3

Three axle articulated vehicle or Rigid vehicle and trailer

ART3 7 d(1)>3.2m, axles=3 & groups=3
3 (Heavy)
4 >2

Four axle articulated vehicle or Rigid vehicle and trailer

ART4 8

d(2)<2.1m or d(1)<2.1m or d(1)>3.2m

axles = 4 & groups>2

5 >2

Five axle articulated vehicle or Rigid vehicle and trailer

ART5 9

d(2)<2.1m or d(1)<2.1m or d(1)>3.2m

axles=5 & groups>2

>=6 >2

Six (or more) axle articulated vehicle or Rigid vehicle and trailer

ART6 10 axles=6 & groups>2 or axles>6 & groups=3
>6 4

B-Double or Heavy truck and trailer

BD 11 groups=4 & axles>6
>6 >=5

Double or triple road train or Heavy truck and two (or more) trailers

DRT 12 groups>=5 & axles>6