> It would obviously run over the road at the midpoint of each side This isn't going to work for three reasons: drainage ditches, hedge rows, and power lines.

> It would obviously run over the road at the midpoint of each side This isn't going to work for three reasons: drainage ditches, hedge rows, and power lines. You could maybe build an irrigation system that traverses the drainage ditches on each side of a rural road but I'm skeptical it'd price out as a good buy for anyone. You aren't gonna build one that can go through a hedge row.