What is an “Interchange”?

1. The area that is formed by the meeting of at least three roadways, at the same level.
2. A meeting of at least two roadways at the same level in a freeway.
3. Correct answer: A meeting point of roads at different levels, in which it is possible to drive and pass from one road to the other
4. A junction of roads at the same level in an urban area.

WhyAn interchange is where roads meet at different levels, with bridges and ramps from one road to another. Roads meeting at the same level form a junction.