Unsourced material may be challenged and removed. Red Asphalt is a series of instructional driver's education videos produced by the California Highway Patrol. ... Five volumes in the series have been produced, and some are still shown at some high schools and private driving schools.
Why do they use red asphalt?
The red colour comes from gravel that is used in the asphalt production for that particular stretch of road. In areas within the Canadian Shield, pink granite is very commonly used to make gravel and is responsible for the red colour of the asphalt.Apr 27, 2015
Why are Mississippi roads red?
It is most striking when volcanic cinders are used in the top coat; it gives the road a vibrant red hue.