|DOT Operating Administration||RD&T Programs|
|Planning and Decision Making Research|
|Rolling Stock and Components|
|Signal and Train Control|
|FTA||International Mass Transportation Program|
|MARAD||Short Sea Shipping Cooperative Program**|
|OST||Transportation Planning, Research, and Development***|
*Indicates the historical location of the ITS program. Changes may result from Congressional direction established in the final passed surface transportation reauthorization. The ITS program involves several DOT operating administrations.
**This RD&T-related effort is not directly funded through DOT's RD&T program.