A vertical curve is required to join a road with + 2.5% grade to a road with -3% grade. The design speed of the road is 90 kmph and safe stopping sight distance is 180 m on the road. The coordinates of VPI is (500 m, 100 m), with respect to a fixed bench mark. The horizontal co-ordinate of highest point of curve with respect to fixed benchmark is m. (rounded off to two decimal place)

A vertical curve is required to join a road with + 2.5% grade to a road with -3% grade. The design speed of the road is 90 kmph and safe stopping sight distance is 180 m on the road. The coordinates of VPI is (500 m, 100 m), with respect to a fixed bench mark. The horizontal co-ordinate of highest point of curve with respect to fixed benchmark is m. (rounded off to two decimal place)

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 21P

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