Using the left mouse button, select piece and drag into position. Pressing the right mouse button rotates piece. If you need a hint, press the "V" key to view the whole image. Change the number of pieces: 9 | 24 | 48 | 160.
Sure it is obvious now there is no road now but if you were here at the height of the flood would you have known then? No, as all you would have seen was muddy churning water and no idea of the worthiness of the roadbed. When flooding waters are over the road, just "Turn Around, Don't Drown®" To learn more about "Turn Around, Don't Drown" go to "Turn Around, Don't Drown" homepage.