When another vehicle drives in the turning left only lane:

1. It is permited to pass it from its right side only if it is a slow vehicle
2. Correct answer: It is permitted to pass it on its rights side.
3. It is allowed to pass it from its right side with a private passenger car only.
4. It is prohibited to pass it from its right side.

WhyA vehicle in a left-turn-only lane may be passed on its right. It goes left, and you continue straight in your own lane.