An adjustable vehicle loading ramp system that removably cooperates with a vehicle mounted hitch receiver and provides a rearward directed supplemental hitch receiver. The loading ramp system includes a pair of ramp sections that are movably connected to a mounting system to provide a plurality of lateral distances between the respective ramp sections. The assembly is stowable to achieve a compact orientation of the loading ramp system relative to a tailgate of a vehicle and an in-use position wherein the ramp sections can be deployed to provide a supported incline into the bed or cargo area of the underlying vehicle.