Lesson: Why do we drive on asphalt?

Weather & Traffic In-Depth

AUSTIN (KXAN) — You drive on it every day but probably pay it no mind: asphalt. What is this strange, black rock and why do we drive on it? Traffic reporter Amanda Dugan explains how asphalt is made and why it is used around the world in this Traffic University lesson.

What you will learn in this lesson:

  • Why making asphalt is like baking cookies?
  • Why is it used so often?

Learn more about Traffic University:

We’re building our roster of traffic lessons just for you. If you want some tips for driving in icy weather or how potholes form, we’ve got some lessons for you. Also, we’ve explained why there are so many alligators on Texas roads.

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