The Mana transit lanes are legally enforceable under the Land Transport Act, Land Transport (Road User) Rule 2004 and by the Transit New Zealand Bylaw.

A transit lane is a special vehicle lane and is defined in the Land Transport Act and Land Transport (Road User) Rule 2004. For further information please visit http://www.landtransport.govt.nz/rules/docs/road-user-rule-2004.pdf or http://www.legislation.govt.nz.  

It is an offence for the unauthorised use of a transit lane and this is dealt with in the Land Transport (Offences and Penalties) Regulations 1999.

Designation for the Mana transit lanes is by way of the Transit Lanes Bylaw (PDF, 240KB) .