Daily Mail-free zones are popping up all around the country

We’re a polite bunch, us Brits. But every now and again we need a good old sign to keep us in our place.

It's also one of the most efficient ways to remind us to keep our manners in check during the morning commute.

First, trains had the quiet carriage, now they have something much more useful: A Daily Mail Free Zone.

Signs are popping up on trains going across the country, stating:

Please allow consideration for fellow passengers by not reading or leaving copies of the Daily Mail newspaper in this coach.

They’re being spotted on trains:

And on the London underground:

The stickers are the brainchild of comedian Mark Thomas, who started selling them online in 2014.

And they're still being spotted to this day.

Well, aren't we a nation of good-mannered people?

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