Designs:  Streets Having grown up on the plains of central Ohio, I tend to imagine cities without hills, rivers, or other obstructions that would distort my regular geometry.  Except for one town that surrounds a circular lake, all of these plans assume a large expanse of flat, empty land. Click on any of these drawings for a larger 600x450 version. The captions go in order, so you might want to start with the first drawing.