Last month, 394 fines were issued on Wagga's roads for exceeding the speed limit by 10 kilometres per hour or under, which is the lowest level of offence, for total penalties of $70,844.

In June last year, just 52 fines were issued for the same offence across Wagga for total penalties of $6292.

However, Wagga's roads last month did not see as many fines as in other months with no warning signs present, such as May when more than 550 infringements were recorded.

Wagga was not under COVID restrictions for most of last month but was subject to business and event limits in June 2020.

Transport For NSW safety environment and regulation deputy secretary Tara McCarthy said it was encouraging to see drivers in the Wagga area getting the message and slowing down on roads in the region.

"We want to see this downward trend continue not only in the local region but across the state," she said.

"We know drivers are beginning to change their behaviour because of the changes we have made to the Mobile Speed Camera Program.

"Our data shows that 3.5 drivers were caught per hour of mobile speed camera enforcement in June, compared with five drivers caught per hour in February."

Wagga-based Nationals MLC Wes Fang, who has previously criticised the decision to remove speed camera warning signs, said the downturn in fines was not significant.

"We're still looking at a huge increase in the number of fines, both in the dollar value and the number of infringements," he said.

"Even if we get down to a situation where we are issuing double the number of fines, are we any safer or is this just more revenue raising?

"I think regardless of the number of fines that are issued, it's a question of fairness and what we are trying to achieve ... we have dramatically increased the number of penalties and revenue raised but I don't think anyone can say we are safer."

Ms McCarthy said in the 12 months to July 25, there had been 290 deaths which was 29 fewer deaths compared to the previous twelve months.

NSW Labor opposition leader Chris Minns has called for the government to "put an end to the secret cameras and the blatant cash grab" from increased fines.

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