Question: Q 4 . In designing a vertical curve joining a - 2 . 0 0 % grade to a + 0 . 5 0 %

Q4.
In designing a vertical curve joining a -2.00% grade to a +0.50% grade on a county
road in Ontario, the centreline of the road must clear an overhead structure located
at station 99+20 by 5.67m. The elevation of the bottom of the structure is 77.45m
above sea level. What is the maximum length of the curve that can be used, if the
PVI is at station 100+00 and elevation 69.50m above sea level.
What is the headlight sight distance available on this curve?
Q 4 . In designing a vertical curve joining a - 2

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