Route marker for National Route 59 (N59) the route designation for Aurora Boulevard (EDSA to Katipunan Avenue segment), Marikina–Infanta Highway (up to Masinag Junction) and Sumulong Highway (Masinag to Antipolo proper segment).
Sign dimensions from Highway Safety Design Standards: Part 2 : Road Signs and Pavement Markings, page A78
Department of Public Works and Highways, FrjWorld and HueMan1