![]() Now, the next thing is before we actually get into alignments, we have to determine, okay, what are we actually using our alignments for? Our alignment for our road is the basis for our center line grade. There isn’t any 3D information assigned to any of this, so this is just an arbitrary road that I drew right here with a center line right here and the edge of the pavement. ![]() we’ve got our existing contour shown from that. You can see right here we’ve got our existing surface, which is listed right here as EG. Now, I know many of these terms might seem overwhelming, but we’ll gain more confidence as we dive into it. Now, not only will we be finding out how alignments work, but we’ll gain an understanding of how they’re used to profile our existing grade, lay out the center line grade of our road, and use a road template to create a corridor surface. Today we’ll be looking at how to use alignments to lay out a road design for residential development.
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