4.2.2 - Critical characteristics
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Practice Questions
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What is reaction time in terms of road users?
💡 Hint: Think about how quickly someone can react when they see a stop sign.
Name one psychological factor that can affect driving performance.
💡 Hint: Consider what might distract a driver.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary focus of the critical characteristics section?
💡 Hint: Look for definitions in the glossary.
True or False: Visual acuity only affects the ability to read road signs.
💡 Hint: Consider how vision impacts driving actions.
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Challenge Problems
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Design a transportation system that addresses both quantifiable and less quantifiable characteristics of users. Consider specific examples of each.
💡 Hint: Think of how environments can impact user experiences.
Evaluate a traffic signal timing system that uses the 85th percentile for reaction time. Discuss its implications for different road users.
💡 Hint: Consider demographics when analyzing traffic systems.
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