SAP-R/3 Transportation Planning Interface (SD-TRA-IN) 
The SAP R/3 system offers automated support for external optimizing transportation planning, since the huge number of different possible transportation processing procedures and optimization criteria require software that is exactly adapted to the customer’s needs.
Transportation Planning Interface Logical Communication Processes Between SAP-R/3 and the Transportation Planning System Application Transactions of the Interface Configuration Options for Delivery Transfer Technical Communication IDoc Description Description of the IDoc Segments, Fields and Domain Values SAP System Settings and Modifications Error Analysis Modifications (Customer Functions)