WONDER #1566: Why Are Emergency Lights Red and Blue?

Question 1 of 3

In the United States, the color red is usually associated with what in terms of automobiles and driving?

  1. stop
  2. oil change
  3. yield
  4. highways

Question 2 of 3

In heavy traffic, red emergency lights can get lost amidst what other type of red lights?

  1. tail lights
  2. reverse lights
  3. turn signals
  4. interior lights

Question 3 of 3

What color light tends to be easier to see at night?

  1. red
  2. orange
  3. green
  4. blue

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