Under the law, heavy vehicles with a maximum laden weight exceeding 12 tonnes must be fitted with speed limiters. Lance Alexander and Daniel Martin speak to Professor Raymond Ong, Transport Analyst and Deputy Head (Research), Department of Civil and Environmental Engineering, NUS, to find out more.

Under the law, heavy vehicles with a maximum laden weight exceeding 12 tonnes must be fitted with speed limiters.&nbsp;Lance Alexander and Daniel Martin speak to Professor Raymond Ong, Transport Analyst and Deputy Head (Research), Department of Civil and Environmental Engineering, NUS, to find out more.

The best interviews from CNA938 on Singapore news, current affairs, health, entertainment and money.

The best interviews from CNA938 on Singapore news, current affairs, health, entertainment and money.

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The best interviews from CNA938 on Singapore news, business updates, entertainment and food.

The best interviews from CNA938 on Singapore news, business updates, entertainment and food.