Curve Menu 
 
R-387 
Results 
PVC sta.: is the station at the PVC. 
PVI sta.: is the station at the PVI. 
PVT sta.: is the station at the PVT. 
elev.: is the elevation for the respective point. 
Hi/Lo sta.: is the station where the vertical curve has a tangent 
equal to zero (the crest of the curve).