A vertical curve is designed to join a +4% grade with a -2% grade. Assume that the stopping sight distance is 600 ft., the driver's eye height above the roadway surface is 3.5 ft., and the height of an object in the road to be avoided by stopping is 3 ft. Determine the minimum design length of the vertical curve.
A vertical curve is designed to join a +4% grade with a -2% grade. Assume that the stopping sight distance is 600 ft., the driver's eye height above the roadway surface is 3.5 ft., and the height of an object in the road to be avoided by stopping is 3 ft. Determine the minimum design length of the vertical curve.
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 8P
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Transcribed Image Text:A vertical curve is designed to join a +4% grade with a -2% grade. Assume that the stopping
sight distance is 600 ft., the driver's eye height above the roadway surface is 3.5 ft., and
the height of an object in the road to be avoided by stopping is 3 ft. Determine the minimum
design length of the vertical curve.
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