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:

In the restaurant world, what does "Blue-plate special" refer to?

How many years does a sesquicentennial celebrate?

What is Donald Duck’s car?

What is the fear of becoming cold called?

Who wrote the novel "The Turn of the Screw"?

What city is home to The Willis Tower?

What common garden flowers are fed to chickens to give their skin an appealing golden color?

What popular computer language shares its name with the vitamin formerly known as ascorbic acid?

What was the name of the high school in the movie “Grease”?

What was wrong with the Grinch's heart in, How the Grinch Stole Christmas?

What athlete had a part in the movie "There's Something About Mary"?

What were 2 out of 3 of Andrew Lloyd Webbers wives called?

Which of America's original 13 states took its name from Elizabeth I?

What year did the Invasion of Normandy take place?

What is the capital of Botswana?