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2 cards from this section. Quick, good the night before a test.
What happens to the flow when there is zero density?
Think about what it means for a road to have no vehicles.
Define jam density.
Consider the amount of cars on a road when traffic comes to a halt.
What happens to flow when density is zero?
Reflect on the definition of flow.
At what point does jam density occur?
Consider conditions under which movement is halted.
Consider a road where the density increases from 0 to 50 vehicles/km over a span of time. Graph the flow-density curve and identify the peak flow rate based on your assumptions.
Determine how you would expect flow to behave as density increases.
Analyze a scenario where adding an additional lane doubles the vehicle flow. What implications does this have for the flow-density relationship?
Consider how density and flow interact when infrastructure improvements are made.
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