How effective were previous safety trials using ETC data and warning signs?

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Previous Safety Trials Showed Significant Reduction in Sudden Braking Incidents

A trial conducted in 2017 involving the installation of warning signs at high-risk accident locations, identified through data from vehicles equipped with the electronic toll collection (ETC) system, reported a substantial 60 per cent reduction in sudden braking incidents. This finding indicates a positive impact of targeted signage on improving driver behaviour in accident-prone areas.
Warning Signs Deployed at High-Risk Locations

Authorities initiated a trial in 2017 specifically targeting accident hotspots. These locations were pinpointed using data analysis from vehicles that utilised the electronic toll collection (ETC) system. The primary intervention involved the installation of warning signs at these identified sites.
Significant Reduction in Sudden Braking Observed

The trial, as reported by the ministry, demonstrated a notable success in mitigating risky driving actions. Where these warning signs were put in place, there was a reported decrease of 60 per cent in the occurrence of sudden braking events. This outcome suggests that the warning signs effectively alerted drivers to potential hazards, prompting more cautious driving.

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How effective were previous safety trials using ETC data and warning signs?

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