A parabolic curve is used to connect a 4 % upgrade with a 2 % downgrade as shown in the figure. The highest point on the summit curve is at a distance of (measured horizontally from the first tangent point FTP)

60 m

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100 m

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75 m

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50 m

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Solution

The correct option is B 100 m
The highest point on the summit curve is at a distance given by

$D = L \times \frac{n_{1}}{N}$

$D = 150 \times \frac{4}{4 - (- 2)} = 100 m$

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A parabolic curve is used to connect a 4 % upgrade with a 2 % downgrade as shown in the figure. The highest point on the summit curve is at a distance of (measured horizontally from the first tangent point FTP)

The correct option is B 100 mThe highest point on the summit curve is at a distance given by D=L×n1N D=150×44−(−2)=100m

The correct option is B 100 m
The highest point on the summit curve is at a distance given by

$D = L \times \frac{n_{1}}{N}$

$D = 150 \times \frac{4}{4 - (- 2)} = 100 m$