3 - Unit Summary
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Practice Questions
Test your understanding with targeted questions
What is super-elevation?
💡 Hint: Think about how roads are designed to support vehicles in a turn.
Name two types of vertical curves.
💡 Hint: Think about the shape these curves take when looking from the side.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of vertical curves in road design?
💡 Hint: Think about why drivers need to see the road ahead.
True or False: Super-elevation is only applied to vertical curves.
💡 Hint: What type of curve is primarily affected by speed and direction?
1 more question available
Challenge Problems
Push your limits with advanced challenges
A new highway requires a circular curve with a radius of 750 meters, and the deflection angle is 75°. Calculate the tangent length, length of the curve, and apex distance.
💡 Hint: Make conversions for angle where needed.
Design a vertical curve that connects a downgrade of -3% to an upgrade of +2% while maintaining comfort and visibility. Calculate the length based on safety regulations.
💡 Hint: Consider safety standards for visibility.
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Reference links
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