The following left-turn guide lane marking shows the point inside the intersection where a vehicle about to turn left waits during the ( ) light so as not to obstruct other traffic. Which light goes in the blank?

Question

The following left-turn guide lane marking shows the point inside the intersection where a vehicle about to turn left waits during the (   ) light so as not to obstruct other traffic. Which light goes in the blank?

Accepted Answer

③ Green. The left-turn guide lane marks where a left-turning vehicle waits inside the intersection during the green light (for example at an unprotected left turn) without blocking other traffic. [Enforcement Rule of the Road Traffic Act, Appended Table 6, No. 525-2]