The route junctions with Walker Mountain Road, where it gains the moniker of Clarendon Road. Paralleling the Clarendon River, VT 133 reaches West Rutland, where it changes names to Clarendon Avenue.
At its junction with Walker Mountain Road, the route is renamed Clarendon Road and parallels the Clarendon River until reaching West Rutland, where it becomes known as Clarendon Avenue.