Why does green mean go and red mean stop?
Why is there traffic? How do traffic lights work? How do they know when to turn red and green? Why does green mean go and red mean stop? Why are cars able to go faster than they are allowed to go with the speed limit? Why do we drive on the right side of the road in the United States? Why are some roads bigger than others? Answers to your traffic questions with Mike Knodler, professor and director of the Transportation Center at the University of Massachusetts.
More description
Why is there traffic? How do traffic lights work? How do they know when to turn red and green? Why does green mean go and red mean stop? Why are cars able to go faster than they are allowed to go with the speed limit? Why do we drive on the right side of the road in the United States? Why are some roads bigger than others? Answers to your traffic questions with Mike Knodler, professor and director of the Transportation Center at the University of Massachusetts.
2026-05-01
36 min
Listen elsewhere
Available Results
Generated results are saved to your library for reuse and search.
No generated results are available for this episode yet.
Transcript
No transcript is available for this episode yet.
Sign in to generate a transcript for review.
Sign in
Chapters
No chapters available.