One of the principal challenges during design is the placement of blocks or objects along an alignment. The challenge is normally to get the objects to be perpendicular. There are many ways of doing it, but the challenge is that they would require you to explode the alignment and then align them along a poly line.

Dynamo in Civil 3d 2021 has made it easier for one to place objects along an alignment with the use chainage. See the video above for details