33.2.3 - Boundary Conditions
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Practice Questions
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Define jam density.
💡 Hint: Consider what happens when traffic is heavily congested.
What does free-flow speed represent?
💡 Hint: Think about how fast you could drive in ideal conditions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is jam density?
💡 Hint: Think about the point at which traffic becomes too congested.
True or False: Free-flow speed is the speed at which congestion begins.
💡 Hint: Remember what happens in ideal conditions versus congested conditions.
1 more question available
Challenge Problems
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A highway has a jam density of 150 vehicles/km and a free-flow speed of 90 km/h. Calculate the maximum flow.
💡 Hint: Substitute your known values into the maximum flow formula.
If the maximum flow on a given section of road is measured at 5000 vehicles/hour, what would be the jam density if the free-flow speed is 70 km/h?
💡 Hint: Make sure to work step by step through the rearrangement.
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