how did I know when you said "Counting on rain Monday " was going to turn into 300 feet of garden hose and let's get this done now!
The compound is looking great Reg, keep those creative juices flowing.
BTW, you could use the mining rule of thumb .......the road berms must be atleast 1/3rd the height of the largest wheel running on the road.
And that would be a great RC project.