How do you measure a three-second following distance? · Q-0305

How do you measure a three-second following distance?

a Estimate 30 metres by eye
b Pick a fixed object ahead; when the vehicle in front passes it, count one thousand and one, one thousand and two, one thousand and three
c Use the gaps between lane markings
d Count three car lengths

Answer

Pick a fixed object ahead; when the vehicle in front passes it, count one thousand and one, one thousand and two, one thousand and three

Learn to Drive Smart · LTDS-2026-03 · Chapter 5 · See-think-do · Space in front — the two-second rule

Concepts this question tests

The two-second rule and space margins

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