An apparatus includes a frangible base having a base top, a base bottom, and sides. The bottom including a plurality of openings for joining the frangible base to a surface and for passing wiring into the frangible base. The sides having at least one opening for accessing an interior of the frangible base. A stand pipe includes a pipe top, a pipe bottom, and mounting points disposed on a side of the stand pipe. The pipe bottom is configured for joining to the base top. The mounting points are configured for joining to a signaling equipment. A tether is joinable to the frangible base and the surface, wherein the tether is operable for maintaining the apparatus within a locality of a place on the surface, where the frangible base is joined to, upon a breakage of the frangible base.