TNZ 1999

TNZ 1999 is a scheme developed by Transit New Zealand. It has 14 classes.

  • Units: Metric (m)

  • Car class: 1

  • Unclassifiable vehicle class: 14

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)