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Determine the minimum vertical curve length necessary for a +1.4 percent grade that intersects a -3.5 percent grade for a design speed of 60 mph. You must use the vertical curve equations for SSD>L and SSD

Determine the minimum vertical curve length necessary for a +1.4 percent grade that intersects a -3.5 percent grade for a design speed of 60 mph. You must use the vertical curve equations for SSD>L and SSD

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter15: Geometric Design Of Highway Facilities
Section: Chapter Questions
Problem 19P
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Determine the minimum vertical curve length necessary for a +1.4 percent grade that intersects a -3.5 percent grade for a design speed of 60 mph. You must use the vertical curve equations for SSD>L and SSD<L to solve this problem. Sketch the curve; be sure to label the PVC, PVI, and PVT. Is this a sag or crest curve?
Transcribed Image Text:Determine the minimum vertical curve length necessary for a +1.4 percent grade that intersects a -3.5 percent grade for a design speed of 60 mph. You must use the vertical curve equations for SSD>L and SSD<L to solve this problem. Sketch the curve; be sure to label the PVC, PVI, and PVT. Is this a sag or crest curve?
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