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2 cards from this section. Quick, good the night before a test.
What is gradient in road design?
Think about how roads can slope upwards or downwards.
Why are steep gradients avoided in road design?
Consider the performance of heavy trucks on hills.
What is a gradient?
Think about how steep a hill might be.
True or False: Steeper gradients can lead to increased operational costs for heavy vehicles.
Consider what happens to trucks on steep inclines.
A road has a gradient of 8%. Calculate how much the gradient affects traffic flow when heavy vehicles are present. Discuss the challenges faced by heavy vehicles ascending the gradient.
Think about how a truck would perform while going uphill.
Design a road with a gradient where heavy vehicles commonly travel. Include recommendations for mitigating the risks of decreasing speed due to the gradient.
Consider how to make it easier for trucks to navigate safely.
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