When travelling, it is of utmost importance to obey the laws of the land upon which you enter. In Qatar you can't expose your knees or shoulders. In Thailand you must wear undies at all times. In Blythe, California, you are forbidden from wearing cowboy boots unless you actually own at least 2 cows. Use of or even just possession of confetti is illegal in Mobile, Alabama, and in Los Angeles, silly string can earn you a fine of $1000 and\or up to SIX MONTHS IN JAIL. You can be fined in Australia for swearing. You can do hard time in Arizona for shooting a cactus. I don't know why you'd shoot a cactus, or even wish it harm, and I certainly don't want to find out what happens when you tell your hulking cellmate that you got 25 years for cacti-related offenses. At the very least, your prison nickname is going to be pretty lame.
So in a way, Ohio is doing the courteous thing by providing helpful poems to help tourists obey the laws of their land. "Drive sober or get pulled over" being a popular one quoted over and over along highway billboards. Getting pulled over actually seems like the best-case-scenario when driving non-sober, so it's a funny consequence to emphasize, but it gives you an idea that they don't really approve. And in fairness, it's hard to find something that rhymes with "a steering column through your solar plexus!" (drive sober in your lexus? praise god you're not in texas?)
Another favourite was the ubiquitous "Click it or ticket" buckle-up campaign, although it's hard for me to imagine that we still live in a world where stating this is necessary. You may as well have declared "murder is frowned upon here" because honestly, in 2014, who the hell is driving without a seatbelt? Anyone? Actually, I think I personally would get more use out of the murder-is-bad reminder because I don't think there's any event in the world that would cause me to drive unbuckled. You get in the car, and without even thinking about it, you're just buckled, it's that automatic, happens in less than 3 seconds. Even if there was a dire emergency, it would take longer to think "Will I save time by not buckling up?" than to just do it already and get on with it. Even if you had a large piece of scrap metal protruding from your chest, making the seat belt strap less than comfortable, you gotta think: a) why didn't I call an ambulance? b) I'm already in pretty serious condition, so let's make double sure we don't add a steering column to the problem! c) I'm already bleeding out, so I suppose a little seat belt chaffing isn't the end of the world d) it would be really silly to get pulled over for this while doing 178km\hr to the hospital. So I think it's safe to say that we're all buckling up, and if there truly is some moron out there who isn't, I'm guessing a snappy poem isn't going to enlighten him (and neither will a ticket). But murder? Well, I consider myself basically a lamb and only sometimes a lion, and rarely ever a homicidal bitch. But I suppose I can imagine a scenario in which case I am feeling like someone needs to die. I've been angry. I've been chip-deprived on day 3 of a heavy flow. I've made pie crusts by hand. So yes, the feeling is not unknown to me. I don't think I'll ever act on it, but every now and then, a gentle reminder wouldn't hurt.