Industry News

New report verifies link between vehicle standards and safety performance

Operators who effectively maintain their vehicles are less likely to be involved in an incident according to de-identified critical road crash data shared in a report by insurer NTI and the National Heavy Vehicle Regulator (NHVR).

Research has been brought together by both entities for the first time to minimise risk and create safer workplaces for truck drivers.

Data from NTI’s NTARC Major Accident Investigation Report and the NHVR’s National Roadworthiness Baseline Survey was examined to create a new report which looks at the relationship between vehicle standards and safety performance.

Traditionally there has been very little evidence which proves a link between vehicle maintenance and major incidents due to a separation between organisations which hold data on vehicle condition and those who have access to crash data.

This initiative between NHVR and NTI is considered an important step forward in sharing insights.

Ten key areas were examined in the report, including brakes, couplings, steering and suspension, wheels and tyres, structure, seats, lights, mirrors, windscreens, and engine and driveline to determine there was a correlation between poor maintenance and increased claims frequency and cost.

Report author, NTI Transport & Logistics Risk Engineer Adam Gibson, said the link was particularly clear in two categories.

“There was a 29 per cent increase in frequency and a 22 per cent increase in the cost of claims for transport companies with poorly maintained couplings. For wheel and tyre defects, the frequency was 32 per cent higher than the baseline while cost was 26% higher,” Mr Gibson said.


“It’s important to note this does not show crashes were caused by defects in those systems, but that operators with trucks in which couplings, wheels and tyres were not well maintained, were involved in a greater number of claims. The link is correlative, not causative.”

Gibson said there was one category that yielded surprising results.

“There was only a three per cent higher frequency and four per cent higher cost compared to the baseline for operators who had vehicles with defects in their braking system. This is due to the way braking systems were tested back in 2016, and that process has now undergone a significant overhaul,” he said.

NHVR Director Vehicle Safety and Performance Peter Austin said this report highlighted the importance of regular and effective maintenance regimes across the heavy vehicle fleet.

“Well maintained vehicles operating on our road network are essential to the safety of all road users,” he said.

“The NHVR has a long-standing commitment to evidence-based enforcement, which is why we take a national, risk-based approach to checking whether heavy vehicles in the fleet are maintained,” said Austin.

“If we see a history of non-compliance, we intervene early and investigate further to prevent a potential accident from occurring.

“The report marks an important step forward, with the expertise and insights shared across the regulator and insurer providing opportunities to reduce fatalities on our roads.”

The new report comes just months after NTI was named a recipient of the NHVR’s 2020 Heavy Vehicle Safety Initiative, a grant supported by the Federal Government.

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