Problem 3A vertical parabolic curve has grades of + 4%and2%, respectively, which intersects atstation 2+100m. If the stopping sight distanceis equal to 150m, compute:-a.The maximum speed that a vehicle couldmove along this curve to avoid collision ifthe PIEV time of the driver is 2.5 sec. and theaverage skid resistance is 0.26.b.The length of the curve.c. The location, station, and elevation of thehighest point in the curve if P.T. is atelevation 50m amsl.

Answer we are given G1 = 4% G2 = -2% PI STA = 2+100 m stopping sight distance = 150 m…

A vertical parabolic curve has grades of + 4% and 2%, respectively, which intersects at station 2+100m. If the stopping sight distance is equal to 150m, compute: a.The maximum speed that a vehicle could Imove along this curve to avoid collision if the PIEV time of the driver is 2.5 sec. and the average skid resistance is 0.26. b.The length of the curve. c.The location, station, and elevation of the highest point in the curve if P.T. is at elevation 50m amsl.

A vertical parabolic curve has grades of + 4% and 2%, respectively, which intersects at station 2+100m. If the stopping sight distance is equal to 150m, compute: a.The maximum speed that a vehicle could Imove along this curve to avoid collision if the PIEV time of the driver is 2.5 sec. and the average skid resistance is 0.26. b.The length of the curve. c.The location, station, and elevation of the highest point in the curve if P.T. is at elevation 50m amsl.

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 13P

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