Western Australia · Road Rules Theory Test practice question

You are driving at night with your headlights on high beam. When must you dip to low beam for an oncoming vehicle?

Only if the other driver flashes their lights at you
When the vehicle is within 100 metres
Only once the vehicle is directly alongside you
When the vehicle is within 200 metres

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Correct answer: When the vehicle is within 200 metres

You must switch to low beam when an oncoming vehicle is within 200 metres, and also when driving within 200 metres behind another vehicle. High beam at closer range can dazzle other drivers.

Source: Department of Transport WA – Drive Safe handbook

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