### Area of Corridor Links

Getting the area of corridor links might be challenging.

If we have a constant slope, we can use the QTO feature in Civil 3D to assign the appropriate pay item to the desired link(s). Then use the Takeoff to get the area. This should result in a plan area. To get the slope area we can multiply it by a slope ratio. For example, if the slope is 2:1 we can multiply it by 1.1803398749895 to get the slope area.