Quick Start Guide for 12D User Starting OpenRoads?

12D user here designing a road in OpenRoads for the first time. Never used any Bentley design products before. Used a lot of MicroStation for drafting though.

After watching through a lot of tutorials on Bentley LEARN, I have determined that the work flow is largely similar to 12D.

For this project, I imagine I need to:

1. Create design line geometry [Question: how to show other constraints such as a bridge model above the road in profile view?}

2. Generate a platform surface - projecting a string  at 3% crossfall out to 50m on both sides [Question: should I just make a DTM out of the platform strings?]

3. Generate edges of lane from a template with the vertical levels draped onto the platform.

4. At intersection, create kerb return geometry based on the platform surface and existing surface (where kerb return matches to existing kerbs on the intersecting road) [Or two DTMs at the same time? Or a DTM and a mesh surface?]

5. Apply linear template of kerb to kerb returns at intersections as they are not part of a corridor [Question: are linear templates just normal templates applied without corridor?]

Any pointers?

Thanks.

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