- 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—COMMERCIAL SPACE TRANSPORTATION
- SUBTITLE X—MISCELLANEOUS