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:

How many instruments accompany someone singing "a cappella"?

Liquid Paper was invented by Bette Graham, the mother of which of the Monkees?

What is the only book of the Bible comprised entirely of law?

At what popular Seattle market did Starbucks open its first store in 1971?

What novel is Aldous Huxley's fifth novel?

In which continent would you find the Volga River?

Who invented the kinetoscope?

What instrument does Jack White play in the band White Stripes?

Who directed "Star Wars: Episode VI - Return of the Jedi"?

What movie star founded the Hole in the Wall summer camps for ill children?

Which US soul singer was known as "Lady Day"?

What fired general later ran against Lincoln in the 1864 election?

Which war was ended by the "Peace of Westphalia"?

What was the infamous pseudonym of William Bonney?

What character first appeared in the film "The Wise Little Hen"?