Title 1680 - Transportation
- Subtitle 1680-01 - Aeronautics Division (§§ 1680-01-01-.01 — 1680-01-02-.09)
- Subtitle 1680-02 - Maintenance Division (§§ 1680-02-01-.01 — 1680-02-05-.04)
- Subtitle 1680-03 - Uniform Traffic Control Devices (§§ 1680-03-01-.01 — 1680-03-05-.06)
- Subtitle 1680-04 - Administration (§§ 1680-04-02-.01 — 1680-04-02-.08)
- Subtitle 1680-05 - Construction Division (§§ 1680-05-01-.01 — 1680-05-04-.11)
- Subtitle 1680-06 - Right-of-Way Division (§§ 1680-06-01-.01 — 1680-06-02-.17)
- Subtitle 1680-07 - Central Services Division (§§ 1680-07-01-.01 — 1680-07-01-.25)
- Subtitle 1680-08 - Civil Rights Division (§§ 1680-08-01-.01 — 1680-08-04-.05)
- Subtitle 1680-09 - Public Transportation, Waterways and Rail Division (§§ 1680-09-01-.01 — 1680-09-02-.05)
- Subtitle 1680-10 - Traffic Operations Division (§§ 1680-10-01-.01 — 1680-10-02-.04)