A good rule to remember for passing is:

Question

Each time you pass another vehicle, there is an increased chance for a collision. If you are moving faster than surrounding traffic, you will have to continue passing others. Drive with the flow of traffic, within the legal speed limit, and pass only as needed.

Accepted Answer

Drive with the flow of traffic and pass only as needed.

Answer

Pass on the right whenever possible.

Answer

Try to get to the front of any slow-moving traffic so that you can see better.

Answer

Always flash your lights and sound your horn to alert other drivers to your intentions.

A good rule to remember for passing is:

Wait, before you go