A road sign mounting apparatus for displaying a road sign attached to a mounting bracket. The road sign mounting apparatus is adapted for being carried by a circular base having an open interior and a rim, and an upper profile and lower profile. The road sign mounting apparatus comprises a body and a plurality of legs carried by and extending outward from the body. Each of the plurality of legs is intended for being carried by the circular base. A road sign support is pivotally carried by the body and has a first position wherein the road sign support is carried beneath the upper profile of the circular base when carried by the circular base and a second position wherein the road sign support extends in a general vertical direction intersecting the plane defined by the upper profile of the circular base. The road sign support includes a locking mechanism for locking the road sign support in the second position. The road sign mounting apparatus may be carried by a tire having reflective surface.