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Civil Engineering PE

Category - Transportation

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Which of the following word combination best completes the statement below with regards to superelevated curves?

Drivers experience _______ discomfort as the side friction experienced on superelevated curves _______.

Less, increases
More, increases
More, decreases
None of the above

Explanation

Answer: B - Drivers experience more discomfort as the side friction experienced on superelevated curves increases. Designers commonly use lower side friction factor values when designing superelevated roadways. However, when designing tight curves (for example, highway off-ramps), the side friction factors may be higher in order to motivate drivers to slow down in order to experience less discomfort.

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Civil Engineering PE

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