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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

ClassAxlesVehicle TypesSP1SP2SP3SP4Aggregate
12o-o (short)< 3.2   1 (Car & LCV)
23o-o-o (short towing)< 3.2   
4o-o-oo (short towing)2.2 - 3.2 < 1.0 
32o--o (long)> 3.2   2 (MCV)
43o-oo> 3.2< 2.2  3 (HCV1)
53o-o--o> 3.2> 2.2  
64oo--oo< 2.2   
74o--o-o--o> 2.2 > 1.0 
o-o--oo
85o--oo-o--o    4 (HCV2)
o-oo--oo
96o-oo--ooo> 2.2  < 1.4
106o-oo-o--oo> 2.2  > 1.4
117o-oo--oo--oo (B-train)> 2.2   
o--oo-oo--oo (T & T)
o-oo--oo-o--o (A-train)
126 - 8oo--oo-o--o< 2.2   
oo--oo-o--oo
oo--oo-oo--oo
138-9o-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)