Define “Junction”:

1. Correct answer: A meeting point of two roads or more.
2. The area formed by the junction of two or more roads at different levels.
3. The area formed by the junction of a railroad and a roadway
4. The junction of two urban roadways, provided that they are both asphalt-paved.

WhyA junction is where two or more roadways cross, meet or split. It must be at one level; at different levels it is an interchange.