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2 cards from this section. Quick, good the night before a test.
What is the relationship defined by Greenshield's model?
Think about how speed changes as more cars are on the road.
What does 'free flow speed' represent in the model?
Consider a clear road without any delays.
What kind of relationship does Greenshield’s model assume between speed and density?
Think about how cars behave on a roadway as they come closer together.
True or False: The speed in Greenshield's model rises as density increases.
Recall the relationship presented in this context.
Given a traffic situation with a jam density of 300 vehicles/km and a free flow speed of 90 km/h, derive the equations for flow and determine maximum flow.
Utilize both maximum flow principles and Greenshield's equations.
Calculate the speed when the density is 60 vehicles/km and the jam density remains constant at 240 vehicles/km.
Insert values in the correct formula presented in your readings.
6 more questions in this section. Enroll free to practise them all.
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