TITLE 9 - TRANSPORTATION SYSTEMS (SUBTITLE I to SUBTITLE IV)
- SUBTITLE I - HIGHWAYS, BRIDGES, STREETS, AND ALLEYS (Chapter 1 to Chapter 6)
- SUBTITLE II - AIRPORTS (Chapter 7 to Chapter 10)
- SUBTITLE III - NATIONAL CAPITAL REGION TRANSPORTATION (Chapter 11)
- SUBTITLE IV - MISCELLANEOUS (Chapter 11A to Chapter 12)