4.2.1 - Variability
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Practice Questions
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What does variability mean in the context of transportation?
💡 Hint: Think about how different people might react differently in traffic.
What is the 85th percentile value?
💡 Hint: It’s a way to standardize design to accommodate most users.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the 85th percentile represent?
💡 Hint: Think about how the 85th percentile is used in engineering design.
True or False: Human variability is insignificant in transportation design.
💡 Hint: Consider how different users interact with traffic systems.
1 more question available
Challenge Problems
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Design a hypothetical intersection considering both high traffic flow and pedestrian safety for diverse users including children and the elderly. Outline specific features.
💡 Hint: Think about the balance between vehicle flow and pedestrian safety.
Evaluate the potential risks of ignoring variability in road user characteristics and provide recommendations for safety measures.
💡 Hint: Consider scenarios that demonstrate how variability impacts safety.
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