17.3.3.2 - Case b. Length of summit curve less than sight distance
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Practice Questions
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What is a summit curve?
💡 Hint: Think about where the road meets an incline.
Why is sight distance important in road design?
💡 Hint: Consider visibility requirements for vehicles.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of summit curves?
💡 Hint: Think about the shape and function of the curve.
True or False: A taller obstruction requires a shorter sight distance.
💡 Hint: Reflect on visibility and driver safety.
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Challenge Problems
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You design a road with a summit curve where L = 300 m. Given h1 = 1.2 m and h2 = 0.15 m, calculate the minimum sight distance S.
💡 Hint: Pay attention to units when calculating.
Explain how changing h1 to 1.5 m while keeping h2 constant at 0.15 m affects your sight distance in a summit curve design.
💡 Hint: Think about visibility created by height.
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