Criminal Procedure Act 2011, s 6
These are offences that are more serious than infringement offences, but for which you can’t be sent to prison. Instead, you can only be fined, or given a community-based sentence like community work.
Category 1 driving offences are usually dealt with by fines, but can also involve disqualification from driving. Examples of Category 1 offences are:
exceeding the speed limit by more than 50 km/h (a maximum fine of $1,000)
driving an unsafe vehicle (maximum fine of $2,000)
pouring oil, diesel or other substances on the road to cause wheel-spins (maximum fine of $3,000)
careless driving that doesn’t cause injury or death (maximum fine of $3,000, and you can also be disqualified for a period)
failing to remain stopped for the police when required (maximum fine of $10,000).
Land Transport (Road User) Rule 2004, clause 5.1; Land Transport (Offences and Penalties) Regulations 1999, Schedule 1; Land Transport Act 1998, ss 34, 36A(5), 37, 52(2)