Adoption and the right to use a route are separate concepts, with the former connoting liability to maintain. (See: Part IV of the Highways Act 1980 (HiA 1980)). Indeed there are many routes over which the public have a right of way which are not and never will be adopted, most commonly routes pre-dating 1835 but not limited to such routes. For more general information, see: Creation, definitions and closure—overview. In the case of a new development, where the highway serving the development is to become the liability of the highway authority pursuant to HiA 1980, s 38, this formal adoption will not take place until, for example, final