Final answer:
In order to ensure the safety of emergency personnel and allow them to reach their destination quickly, it is important to move a lane over when any emergency vehicle is on the side of the road with its lights on.
Step-by-step explanation:
The subject of this question is Driving Laws and Safety. It is important to move a lane over when any emergency vehicle is on the side of the road with its lights on. This is to ensure the safety of the emergency personnel and to allow them to reach their destination quickly. By moving over, you are giving them the space they need to do their job efficiently.