https://communities.bentley.com/products/road___site_design/f/geopak-inroads-mx-openroads-forum/115582/trying-to-fit-vertical-curve-to-existing-using-vertical-regression-inroads-ss2I&#39;m trying to use vertical regression to make a best fit vertical alignment that is close to the existing grade from a surveyed DTM. When I go to add vertical regression point, I have 3 options. 1) Horizontal regression points - If I use this, I geten-USTelligent Community 12https://communities.bentley.com/thread/354839?ContentTypeID=1Mon, 01 Feb 2016 17:32:04 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0355603e-f475-4ff3-9d09-5e3df2ac9d53Marc FreshleyThis is the same video that was out there already. This video doesn&#39;t help as there are already regression points that were from the horizontal regression he did in a previous video. I think you changed it to a different video.<div style="clear:both;"></div>https://communities.bentley.com/thread/354808?ContentTypeID=1Mon, 01 Feb 2016 14:42:59 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:cd3653af-4969-42fc-8e8c-c3d2fcda9b6eSanders ThomasHi Marc,<br /> <br /> I believe the video at the link below will help (it is now viewable).<br /> <br /> <a href="http://communities.bentley.com/products/road___site_design/w/road_and_site_design__wiki/15785.video-inroads-vertical-regression-analysis">communities.bentley.com/.../15785.video-inroads-vertical-regression-analysis</a><br /> <br /> <br /> Thanks,<br /> Sanders<div style="clear:both;"></div>