Abstract: A marker and method for use on roads for locating underground utilities utilizing a flexible tile (A) constructed of front and backing layers of fused plastic having openings (B) for receiving screws (C) extending into corresponding holes drilled in the road surface for holding the tile while an adhesive backing sets and for assuring affixation thereafter. Suitable symbols (D) are formed into the tile by grinding away the front layer. All the components may be provided in a package utilizing a box or other container.