TNZ 1999 is a scheme developed by Transit New Zealand. It has 14 classes.
Class | Axles | Vehicle Types | SP1 | SP2 | SP3 | SP4 | Aggregate |
---|
1 | 2 | o-o (short) | < 3.2 | | | | 1 (Car & LCV) |
2 | 3 | o-o-o (short towing) | < 3.2 | | | |
4 | o-o-oo (short towing) | 2.2 - 3.2 | | < 1.0 | |
3 | 2 | o--o (long) | > 3.2 | | | | 2 (MCV) |
4 | 3 | o-oo | > 3.2 | < 2.2 | | | 3 (HCV1) |
5 | 3 | o-o--o | > 3.2 | > 2.2 | | |
6 | 4 | oo--oo | < 2.2 | | | |
7 | 4 | o--o-o--o | > 2.2 | | > 1.0 | |
o-o--oo |
8 | 5 | o--oo-o--o | | | | | 4 (HCV2) |
o-oo--oo |
9 | 6 | o-oo--ooo | > 2.2 | | | < 1.4 |
10 | 6 | o-oo-o--oo | > 2.2 | | | > 1.4 |
11 | 7 | o-oo--oo--oo (B-train) | > 2.2 | | | |
o--oo-oo--oo (T & T) |
o-oo--oo-o--o (A-train) |
12 | 6 - 8 | oo--oo-o--o | < 2.2 | | | |
oo--oo-o--oo |
oo--oo-oo--oo |
13 | 8-9 | o-oo--ooo-oo (B-train) | > 2.2 | | | |
o-oo-ooo-o--o (A-train) |
o-oo-oo-o--oo (A-train) |
o-oo--ooo--ooo (B-train) |