Is there an easy way to remove all elevation?

In the height view, right hand pane, there will be an arrow pointing at the x section you select in the main edit window. Use the arrow keys to switch segments and sections........ but, of course after you lower the elevations, you'll have many things to lower also....walls, billboards, 3dos, TSDs

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East West Racing

Yeah, that's how I've been doing it. I just need a flat surface to build a new grandstand from. If I leave any elevation in it, then the grandstand ends up looking like a pressure treated 2x4 left in the sun too long.

I just wish the adjustments window had an option to remove all elevation from the ptf.