What Is Your Biggest Pet Peeve While Driving?

After taking a short road trip with the family this weekend, I discovered just how bad drivers have gotten in this area. Many complain about it on Facebook, I will just give you a chance to vent through a blog. lol

I discovered that my biggest driving pet peeve is people who drive in the left lane, you assume they are going to pass then get back into the right lane only to learn that may not be the case. Last I checked the left lane is for PASSING ONLY. Slower traffic keep to the right! Unfortunately my other half is extremely guilty of this, which is why I really noticed over the weekend that many do it. What is your biggest driving pet peeve?