Interpolating elevations in a Autocad or Microstation program for roads. Does Inroads if still around interpolate elevations.

I was on the internet and I was curious how Microstation and Autocad interpolated results on a dtm for a road. I found something for water products called terrain extractor (trex), but can that same program...
OpenRoads SignCAD

The following WIKI articles are provided as a reference by Bentley's Technical Support Group. They focus on the OpenRoads SignCAD 2023 version. Categories Creating, Placing & Editing Signs ...
Planar Interpolation in Openroads

Does anyone know how to carry out the method of planar interpolation in Openroads, I got confused I saw one version with dot and cross product and then another where they are using linear interpolation...
OpenRoads SignCAD Training

The OpenRoads SignCAD learning path has the following courses with videos to help you learn and use the OpenRoads SignCAD software: Overhead Advance Exit Sign with Fractional Mile (2020 R2) In this...
OpenRoad Designer Civil Labeler

Is there a way to add the half circle to a civil label that I created for Right-Of-Way call outs with Station and Offset