Yep, and then halfway put a strip of Yellow plates and at the end put tiles, or connect them to the back of these.
I'll try to make an example and post it later today.
Well for roads for Fallout And Apoc making the road out of (SNOT Studs not on Top) will allow you to create gaps and holes. (1 2) For shot up walls use SNOT Bricks. And then for wastelands just use tan, Dk. Tan, and Dk. Orange plates. Hope this helps.
-Every time, I don't build Modulars so I build something, take a picture, disassemble it, and build something else.
-I keep a MOC up until I stop being lazy and sort the pieces.