Before turning right or left, how many meters before the intersection or turning point must you turn on the turn signal?

Before turning right or left, how many meters before the intersection or turning point must you turn on the turn signal?

1. I must signal at a distance of at least 10 meters
2. I must signal at a distance of at least 20 meters
3. I must signal at a distance of at least 15 meters

Correct answer

I must signal at a distance of at least 20 meters

This is the correct answer for the Cambodian driving theory test. Questions are drawn from the official Ministry of Public Works and Transport sign library and road rules.