View track Center (Between Existing and Proposed) in Profile

Question

I have 2 nos of alignment ( Existing and Proposed), i'm able to get the track center result (In Plan) through Pro Rail Extensions but not in profile . Please some one help me to solve this mess. 
 Thanks in advance

jpln · Answer

There are many threads about this question. What you can do is add existing alignment as regression points to the design alignment. 
Annotate profile using horizontal and vertical slew