Practice Length Of Vertical Curve (17.1) - Solution

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6 sample questions

Question 1.
Define a vertical curve.
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Think about how grades change in a roadway.
Question 2.
What does the rate of change of grade indicate?
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Consider the speed of transition in slope.
3Question 3.
What is the purpose of a vertical curve in roadway design?
- To connect two different grades
- To increase road speed
- To create sharper turns
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Think about the safety of drivers.
4Question 4.
A vertical curve connects road grades of +3% and -2% with a rate of change of 0.5%. What is the length of the curve?
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Focus on finding the difference first.
Question 5.
Determine the length of a vertical curve required to transition from a +1.5% grade to a +4% grade over a 50 m distance, with a rate of change of 0.2%.
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Start by calculating the difference in grades.
Question 6.
Explain how vertical curves impact driver behavior and safety, providing statistical or anecdotal evidence.
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Consider safety reports and traffic data in your response.

4 more questions in this section. Enroll free to practise them all.