If you haven't driven in Miami, you cannot understand. The drivers in Miami are a different breed. For that matter, the people in Miami are unlike any I have seen in America, and I've been to most of the major metropolitan areas many times. It's very common to find a Walmart cashier who does not speak one word (no exaggeration - not one word) of english. You'll meet people who have lived in the US for 7 years and don't speak one word of english - no exaggeration.
I've seen people jump the curb and pull off the road into the grass so they could pass a bunch of cars and run a red light during rush hour.
20-30 mph over the speed limit is the norm. This actually agrees with my lead foot.
Passing over a double yellow line during heavy traffic is absolutely normal and cops ignore it.
Accidents always involve at least one person who speaks no english, doesn't have insurance at all, and is in the country illegally. That person may be the cop who responds to the accident. Also, the person who speaks no english will be furious about the accident, even if it is entirely his fault.
All traffic laws are optional. A friend's father was severely hurt when he was t-boned by a woman who ran a stop sign while transporting NINE children in her CAR. I don't know the state of the children after the accident, but I have to think some were severely injured.
Along those lines, car seats for children are the exception, not the rule. I cannot believe how few people use car seats here.
It is common to be cruising on the turnpike and be passed by someone weaving thru traffic at >100 mph. By common, I mean 2-3 times every time I drive on the turnpike. When he was here, my almost 80 year old father was in shock every time we drove on the turnpike because of people driving so insanely.
I'm tired and have been drinking, but bottom line is I've driven in NY, LA, SF, and many other major cities in the US, and nothing compares to Miami for horrible drivers. Really, beyond driving, the people here are the most self-absorbed and non-community minded people I've ever seen by a wide margin. Living here has completely changed my views about immigration, which I'll keep to myself.