The present invention relates to a method for placing at least one duct/communication cable below a road surface in an area, said area comprising a first layer (L1 and a second layer (L2), said first layer (L1) being a road layer, such as asphalt or concrete, and said second layer (L2) being a bearing layer for said first layer (L1) and being located below said first layer (L1), said method comprising the steps of: cutting a micro trench in said area through said first layer (L1) into said second layer (L2); placing at least one duct/communication cable in said micro trench so that said at least one duct/communication cable is placed below said first layer (L1); and filling said micro trench so as to restore said road surface.