What type of interchange, that is widely used in North America and in some pArts of Europe, did the Ontario Ministry of Transportation invent?

More Questions:

What fashion designer owns Maxim's restaurant in Paris?

Ditra Flame was the "Lady in Black" who took thirteen red roses to what actor's grave every year?

What song, first used by FDR, has since become the unofficial theme song of the US Democratic party?

The character Lieutenant Pinkerton appears in what opera?

Which artist's garden attracts tourists to Giverny in France?

Which is Europe's second largest island after Great Britain?

Of the six main cast members on the TV show “Friends”, which was the oldest?

Who was the first president of the Academy of Motion of Picture Arts and Sciences?

Who had a surprise cameo as "Agent M" in "Men in Black II"?

What world leader began his plan to take power after the 1989 Caracazo riots?

Who was Elizabeth I's father?

Tin is primarily obtained from which ore?

What is the name of the family whose Dalmatians were stolen in the novel "The Hundred and One Dalmatians"?

Which brotherly duo created the comic book series "Ultra"?

What is the capital of Qatar?