31 - Fundamental relations of traffic flow
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Practice Questions
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Define Time Mean Speed.
💡 Hint: What does it measure?
What is the primary difference between TMS and SMS?
💡 Hint: Think about what factors each metric emphasizes.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for Time Mean Speed?
💡 Hint: What is being summed in Time Mean Speed?
True or False: Space Mean Speed can be higher than Time Mean Speed.
💡 Hint: Think about how the definitions relate to slower speeds.
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Challenge Problems
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In a traffic study, the following speeds were recorded: 20, 30, 20, 40, 60, 15. Calculate TMS and SMS. What does this tell about traffic behavior?
💡 Hint: Start with calculating TMS first, then apply the harmonic mean for SMS.
A traffic analysis shows a flow of 200 vehicles over an hour. If the road density is 50 vehicles/km, what is the average space mean speed?
💡 Hint: Remember the fundamental relationship that ties these concepts together.
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