Alright, time for an update. So, I've been implementing lots of suggestions and they've all really helped shape up my scene/ level. Particularly the camber on the roads. It really made even the boring roads into something visually appealing, especially with the water running down them in realtime. I've tried to manually…
In order to fill in the blanks, probably advisable reading this board's stickies first, prior too continuing: Making sense of hard edges - uvs - normal maps & vertex counts: Understanding averaged normals & ray projection: