Mayor Wayne Brown says he's determined to bring in "time of use" charges, more commonly referred to as congestion charging, to free up Auckland's motorways and busier arterial roads at rush hour.

In the past year, the mayor has been pushing for legislative changes which would allow his council to introduce congestion charging on key motorways and arterials.

The new tax, dubbed "time of use charges", was intended to encourage some motorists to change the time, route or method of their travel. Others might choose not to travel at all.

Transport Minister Simeon Brown has been supportive of the measure and has previously said he wanted to "rapidly legislate" to bring in new charges on drivers.

Speaking to Breakfast, Wayne Brown said it would take only a small number of motorists to change their behaviour in order to unjam Auckland's roads.

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