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2 votes
Traffic signals at expressway on-ramps use

what color of lights.
A. yellow and green
B. yellow and red
C. red and blue
D. red and green

User Dag Wieers
by
4.0k points

2 Answers

5 votes

Answer:

D

Reason:

Red had been used to indicate danger, so they decided that green would mean go.

User Khelben
by
4.3k points
1 vote
Answer: Red and Green

Explanation: View photo from a government traffic website!
Traffic signals at expressway on-ramps use what color of lights. A. yellow and green-example-1
User Hrnt
by
4.3k points