Chapter 5: Signs, Signals, and Road Markings

Understanding traffic signs, signals, and pavement markings is like learning the language of the road. These devices communicate essential rules, warnings, and guidance that allow for the safe and orderly flow of traffic. Mastering this visual language is a primary goal of driver education, as it is fundamental to passing the knowledge test and preventing collisions.

Traffic control devices are a consistent system of signs, signals, and markings that regulate, warn, and guide drivers. The shape and color of a sign, the color of a traffic light, and the type of line painted on the pavement all provide specific instructions that drivers must understand and obey at all times.

Sign Colors and Shapes

The color and shape of a traffic sign give instant clues about the type of information it contains. Recognizing them at a glance allows a driver to react more quickly to road conditions.

Sign Colors

• Red — Used for stop, yield, and prohibition signs. This color means a driver must take immediate action to stop, yield, or follow a specific rule.
• White — Used for regulatory signs, such as speed limits, lane control, and parking rules. These signs state enforceable laws.
• Yellow — Used for general warning signs. This color indicates a potential hazard or a change in road conditions ahead, such as a curve, intersection, or slippery surface.
• Fluorescent Yellow-Green — Used for pedestrian, bicycle, and school warning signs. This bright color is highly visible to alert drivers to the presence of more vulnerable road users.
• Orange — Used exclusively for warning and guidance in road work or construction zones. Orange signifies temporary changes and the need for extra caution.
• Green — Used for guide signs, providing directional information such as destinations, distances, and street names.
• Blue — Used for motorist service signs, indicating the location of services like hospitals, gas stations, lodging, and food.
• Brown — Used for public recreation and cultural interest signs, directing drivers to parks, historical sites, and scenic areas.
• Fluorescent Pink — Used for incident management signs, providing temporary warnings for traffic incidents like crashes, lane closures, or debris on the road.