Chapter 4D. Traffic Control Signal Features
- Section 4D.05 Application of Steady Signal Indications
- Section 4D.12 Visibility, Aiming, and Shielding of Signal Faces
- Section 4D.13 Lateral Positioning of Signal Faces
- Section 4D.14 Longitudinal Positioning of Signal Faces
- Section 4D.15 Mounting Height of Signal Faces
- Section 4D.29 Flashing Operation -- Transition Into Flashing Mode
- Section 4D.31 Flashing Operation -- Transition Out of Flashing Mode