The unmarked camera vehicles have returned to Wagga after a two-month absence caused by the COVID-19 lockdown.

Wagga has eight current possible locations for mobile speed cameras, mostly in built-up areas such as Travers and Edward streets and Lake Albert Road.

Retired Wagga farmer Hugh Dodwell said he was motivated to speak out after receiving a speeding fine after almost 10 years of holding an unblemished driving record and hearing of others with a similar experience.

"How many people have lost their lives in Wagga, or any other regional area, in the last 12 months by a car driving less than 10 to 15 kilometres per hour above a 50 or 60 speed limit?," Mr Dodwell said.

Myers Automotive owner and mechanic Gordon Campbell, who was fined twice in one morning by mobile speed cameras, said they should move locations to places like Colin Knott Drive at Estella.

"They should be in black spots, that's where the speed cameras should be, not in these residential streets where people are a couple of kilometres over," he said.

A Transport for NSW spokesperson said speeding, even by a small amount, consistently contributed to about 41 per cent of road fatalities and 24 per cent of serious injuries each year, equal to 150 lives lost and 1270 people seriously injured.

"In a crash, the faster the crash speed, the higher the risk of fatality. A small increase in speed can make a big difference to survival," a Transport for NSW spokesperson said.

Mr Campbell and Mr Dodwell have questioned why Wagga still does not have any of the permanent warning signs that were due to be rolled out from August to inform divers that mobile speed cameras were operating in the area.

"They took the warning signs down overnight but can't return them over three months," Mr Dodwell said.

The Transport for NSW spokesperson said the department wanted drivers to stay under the speed limit and not get fined.

"We are installing 1000 permanent signs across the state to increase community awareness about the use of mobile speed cameras and provide a 24/7 reminder to drivers to stay under the speed limit," the spokesperson said.

"Transport for NSW has commenced the rollout of fixed warning signs for mobile speed cameras, and there are now more than 40 of these signs in place on NSW roads."

The Daily Advertiser understands that Wagga will receive some of the new signs but the locations are still being finalised.

Wagga-based Nationals MLC Wes Fang said he had raised the issue this week with NSW Regional Roads Minister Paul Toole.

"I'm hoping their roll out will occur soon. I took the opportunity, while I was able, to again advocate strongly that the fairest way to proceed would be to instead reinstate the mobile speed camera warning signs, which are placed out before you reach the camera car," he said.

"I will continue to push strongly for their return."

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