Concerns from National about the prospect of driving fines being linked to a person's income.

The Ministry of Transport is giving the Government advice on potential changes to the system of fines, which have been largely unchanged for the past two decades.

Possible options include a move towards income-based fines, and greater use of demerit points.

National Party Transport spokesperson Simeon Brown told Kate Hawkesby he'd be concerned if ministry officials are recommending income-based fines.

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