If you have ever been driving down the road and noticed someone merge into the other lane because there was a tow truck driver or a police officer on the side of the road, you probably thought that they just did it out of courtesy. Chances are, however, that they are part of the very small portion of Americans that are aware of what is known as Slow Down or Move Over laws.

These laws are in effect in all 50 states across the United States to help save lives.