As a visitor, one of the noticeable things about Britain is its approach to explanatory signage. In America you can expect a a terse announcement of the rule and perhaps any relevant sub-rule; if any elaboration is deemed necessary, you might see a statement of the punishment you can expect if they catch you being disobedient. In Britain, by contrast, this is the equivalent of “NO PARKING”:
What struck me at first were the efforts to reason with the future reader, rather than simply offering the argument on the basis of authority. On the city buses, for example, a placard warns riders not to disturb the driver “without good reason.” Tough but fair. Here’s another:
At some points, however, I got the impression that the collective, faceless British authority takes a rather low view of the public’s judgment.
And in some cases the signs are frankly passive-aggressive:
On balance, though, we can appreciate how they clearly want to communicate, even if it comes across a little supercilious or pedantic. It's an intention that should temper our impressions of their occasional excesses.