When preparing to pass a vehicle on the left, it is important to ride on the left side of your lane because:

When preparing to pass on the left, you should ride in the left portion of your lane. This lane position will increase your line of sight and make your more visible to oncoming traffic.

• The right side could be slippery.
• It will give you the best chance of spotting hazards in the next lane.
• People don’t usually expect to be passed on their left.
• It will place you in the rearview mirror of the car in front of you.