Change and Transport System(CTS)

The Change and Transport System (CTS) is a tool that helps to organize development projects (in the ABAP workbench) and customize data (in customizing), and  then move/transport these changes between the SAP Systems/Clients in your system landscape. An example is moving the configuration settings from development to test and finally to the production Client. The changes (such as the creation of a new Company Code, changing a document type, etc.) are assigned to a transport request and transported by the Basis or System Administrator.