John QPE
Straight Outta Compton
- Joined
- Oct 29, 2012
- Messages
- 1,055
- Reaction score
- 208
An equal tangent sag curve has an initial grade of -6.0% and a final grade of +3.0% with a length of 1,270 feet. An overpass is to be placed directly over the PVI of this curve. Determine the minimum required height of the proposed overpass.