Several states have variations of Jack's Law, which lets police wand people without a warrant in an area where serious assaults involving knives have taken place.
Road safety advocates have argued at a NSW parliamentary inquiry that a similar approach could be taken to catching speeding drivers.
The NSW government reintroduced multiple warning signs for both fixed and mobile speed cameras in 2023, at the time touting it as a transparency measure for drivers.
The Australasian College of Road Safety said suspending the warnings in areas where a serious accident had occurred could be one way of curbing a growing road toll.
"If you have an area where you've had a fatality or a serious injury crash, can we not look at declaring that area as some sort of black spot and give the speed camera operator program an opportunity to deploy without warning signs in a given area?" ACRS NSW chapter chair Michael Timms said.
"If we have had road trauma in that particular area, let's take the gloves off and let's stop using this program as what it is, which is unfortunately a glorified advertising campaign."
ACRS argued the warning signs had contributed to the growing road death count.
More than 750,000 drivers were caught speeding in NSW in 2021 and 2022, when the signs were ditched. The number fell off a cliff to less than 75,000 in 2023 and 2024, when the signs were brought back.
Deaths on the road have steadily climbed since, with 367 fatalities in the 12 months to October 2025, compared to 322 in the 12 months prior.
Modelling by the Monash University Accident Research Centre has previously estimated between 34 and 43 lives could be saved per year if mobile speed camera warning signs were dropped.
The road safety college also argued for the legal blood alcohol concentration of motorbike riders to be dropped to 0.02.
Mr Timms said it was part of his organisation's goal to have no road deaths by 2050.
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