660 | | Overweight 2-axle specialist vehicle with a permit weight of not more than 16,000 kg |
661 | | Overweight 2-axle specialist vehicle with a permit weight of more than 16,000 kg but not more than 18,000 kg |
666 | | Overweight 2-axle specialist vehicle with a permit weight of more than 18,000 kg but not more than 20,000 kg |
662 | | Overweight 3-axle specialist vehicle (other than a passenger service vehicle) with a permit weight not more than 23,000 kg |
663 | | Overweight 3-axle specialist vehicle (other than a passenger service vehicle) with a permit weight of more than 23,000 kg but not more than 25,000 kg |
664 | | Overweight 4-axle specialist vehicle with a permit weight of not more than 27,000 kg |
665 | | Overweight 4-axle specialist vehicle with a permit weight of more than 27,000 kg but not more than 29,000 kg |