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A +4.4% grade intersects with a -3.3% grade at a station (550+30) at an elevation of400 ft. If the design speed is 60 mi/h, determine:(a) the minimum length of the vertical curve using the rate of vertical curvature(b) the stations and elevations of the BVC and EVC(c) the tangent and curve elevations of BVC, full stations, and EVC(d) the station and elevation of the highest point

A +4.4% grade intersects with a -3.3% grade at a station (550+30) at an elevation of400 ft. If the design speed is 60 mi/h, determine:(a) the minimum length of the vertical curve using the rate of vertical curvature(b) the stations and elevations of the BVC and EVC(c) the tangent and curve elevations of BVC, full stations, and EVC(d) the station and elevation of the highest point

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 25P
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A +4.4% grade intersects with a -3.3% grade at a station (550+30) at an elevation of
400 ft. If the design speed is 60 mi/h, determine:
(a) the minimum length of the vertical curve using the rate of vertical curvature
(b) the stations and elevations of the BVC and EVC
(c) the tangent and curve elevations of BVC, full stations, and EVC
(d) the station and elevation of the highest point

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