A parabolic curve is used to connect a 4% upgrade with a 2% downgrade with first tangent point at 4% upgrade. The length of vertical curve measured along the horizontal is 200 m. Which of the following is / are correct?
1
The highest point on the summit curve is at a distance of 66.67 m when measured horizontally from the last tangent point.
2
The Vertical intersection point is at a distance of 100 m when measured horizontally from the last tangent point.
3
The Vertical intersection point is at a distance of 133.33 m when measured horizontally from the first tangent point.
4
The highest point on the summit curve is at a distance of 100 m when measured horizontally from the first tangent point.