Portsmouth Traffic: What's Your Pet Peeve?

For some, it's the intersections. For others, it's the speeding vehicles. 

What's your absolute least-favorite aspect of getting around Portsmouth? 

Is it speeding vehicles who go way too fast? Motorists who roll through stop signs?

Drunk drivers? Mopeds? Motorcycles? 

Sound off in the comments section and let us know what you think. For bonus points: Tell us if you believe drivers from any particular state are the worst offenders.