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This driving task begins as you look for a space to change lanes and ends when you have completed the lane change. Remember to follow these actions:
While waiting to change lanes safely, look all around you. Divide your attention between watching in front, watching the mirrors, and checking your blind spot. If there is another lane beside the one you are moving into, check traffic in that lane to avoid colliding with a vehicle moving into the lane at the same time as you.
Turn on your signal when there is enough space for you to change lanes. After signalling, check your blind spot one more time before starting to move into the other lane. Your signal should be on soon enough to give traffic behind you time to react to the signal. If traffic in the lane you are moving into is heavy, you may turn on your signal before there is enough space to change lanes. This will let traffic behind you know that you are looking for a space to change lanes.
Keep at least a two- to three-second distance behind the vehicle in front of you. If there is another lane beside the one you are moving into, be careful not to move in beside another vehicle or into the blind spot of another vehicle.
Change lanes with a smooth, gradual movement into the new lane. Drive in the tire track that gives you the most space between vehicles in the lanes beside you.
Turn off your signal as soon as you have changed lanes.