Parisian Subway Etiquette Guide
This isn’t strictly a normative sign, but if you’re interested in normative signs, you’ll like this.
As reported by Business Insider…
In an effort to improve the manners of those using its metro system, the agency that runs public transit in Paris has created a “manuel de savoir-vivre” — an etiquette guide.
It’s not only excellent and helpful, it’s quite funny, thanks in large part to the illustrations.