We study the main properties of a new product of bipartite digraphs which we call Manhattan product. This product allows us to understand the subjacent product in the Manhattan street networks and can be used to built other networks with similar good properties. It is shown that if all the factors of such a product are (directed) cycles. then the digraph obtained is a Manhattan street... https://homehardware4ues.shop/product-category/door-stops/