Spiegel Online reports that Germany is about to implement a restaurant inspection disclosure system, based on the traffic-light – red-yellow-green pioneered by Toronto – but the crack journalists forgot to mention Toronto.

Consumers worried about filthy kitchens full of rotting food will soon know just how clean German restaurants are thanks to a new hygiene rating system set to begin in 2012. A "traffic light" scheme will show which eateries are spick-and-span — and which have nasties lurking under the cupboards.

On Thursday, consumer ministers from Germany’s federal states, with the exception of the southern state of Bavaria, agreed to institute a color-coded hygiene rating system that will be clearly posted at the entry of every restaurant in the country.

The "traffic light" scheme will indicate how closely each restaurant adheres to health standards. Green rankings will go to eateries with the highest marks for cleanliness. Yellow will indicate some concerns, and red will point to grave violations. The exact graphic incarnation of the ratings remains undecided, though.

The decision came after more than a year of internal wrangling over whether the scheme should mirror Denmark’s food safety "Smiley system," which has been in place since 2001.

"Exemplary establishments can use their rating to advertize, while those that aren’t as good have incentive to improve, and the black sheep have nowhere to hide," the national association of consumer initiatives said.

The German Federation for Food Law and Food Science (BLL) said the program could only work if states were willing to conduct more frequent tests and spend more money.

Meanwhile heavy criticism came from the national hotel and gastronomy association DEHOGA, which said current regulations are sufficient. "This system is built to endanger people’s existence," they said in a statement.