Under which conditions is a vehicle allowed to deviate from its line of driving?

1. Correct answer: Provided that no risk or disturbance is caused to any passerby.
2. It is allowed to deviate only in a roadway which is free of traffic.
3. In slow speed and by deviating sharply.
4. It is absolutely prohibited to deviate from the driving lane.

WhyYou may change direction when you don't endanger or disturb anyone. A sharp move at low speed is dangerous too.