U.S. Code > Title 49 U.S. Code > Title 49 – Transportation Current as of: 2022 | Check for updates | Other versions Subtitle I Department of Transportation Subtitle II Other Government Agencies Subtitle III General and Intermodal Programs Subtitle IV Interstate Transportation Subtitle V Rail Programs Subtitle VI Motor Vehicle and Driver Programs Subtitle VII Aviation Programs Subtitle VIII Pipelines Subtitle IX Multimodal Freight Transportation Subtitle X Miscellaneous