Support for Database Transport WSDL

We created a table of site names and id numbers for each of our 150+ sites for use when creating database transports. It would be great if we could set up a database transport for each from this table, but it appears that database transports are not included in the family of entity types Web Services can touch. All read calls get this: "Entity type com.hannonhill.cascade.model.dom.DatabaseTransport does not have corresponding Schema object type