one of the preferred embodiment of a monolithically formed one piece reflective pavement marker designated by the number 200 marker 200 comprises a top portion 214 two arcuate sides 216 two inclined planar faces 218 and 212 that are facing opposing traffics with at least one face 212 is provided with means to integrally include cube corner reflective elements 230 c on designated cell like areas 230 within the inside surface of said face 212 marker 200 also integrally includes textured and grooved planar base surface 220 with extended base portion 220 a for added adhesion area various types sizes or shapes of cube corner reflective elements can be utilized in this process of monolithically forming marker 200 preferably the height of each cube corner reflective element is about 0 0035 to 0 0625 inches the inclined planar reflective face 212 integrally has the interior cell like surfaces 230 defined by load carrying interior walls 310 which provide air gaps 300 beneath the cube corner reflective elements 230 c reflective cells 230 can be of any desired shape or size depending on the positions and shapes of the load carrying interior walls 310 various reflective cell shapes and cube corner reflective element sizes can be formed utilizing the method of the present invention fig3 thru fig3 shows few preferred reflective cells with various types of micro prisms that can be used the following u s patents provide suitable exterior body shape cell and cube corner element designs all of the following arts are incorporated as.