Practice Traffic Stream Parameters (30.2) - Fundamental parameters of traffic flow

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6 sample questions

Question 1.
What does flow measure in traffic?
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Think about how many cars cross a certain line.
Question 2.
Define density.
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What does it mean when cars are close together?
3Question 3.
What is the primary measurement of flow?
- Density
- Vehicles per hour
- Speed
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Consider what units flow is often measured in.
4Question 4.
True or False: Greater density always leads to smoother traffic flow.
- True
- False
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Think about a crowded road versus an empty one.
Question 5.
Given that 240 vehicles pass a point in 30 minutes during rush hour, calculate the flow in vehicles per hour. Explain your reasoning.
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Remember to convert minutes into hours for your calculation.
Question 6.
If a highway section has a density of 35 vehicles/km, what is the expected flow if the average speed is 70 km/h? Use the formula: Flow = Density x Speed.
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Combine the density with the speed to find the flow.

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