A right of way for all intents and purposes is an easement which gives the person who owns it either personally or through real property a nonpossessory right to use the real property that is subject to the burden of the easement.In your circumstances, a person cannot take an ownership right of real property away from a governmental entity through adverse possession or a prescriptive easement claim under common law and state statute. In your circumstances most likely each of the property owners on each side of the right ow way own up to the middle of the curbed off roadway under the legal description of the deed to their respective parcels.The law that you talk about in your question does not exist nor has it ever.