Warning Signs and Hazard Identification

Learn the fundamental characteristics of U.S. warning signs, including their standard color, shape, and the general message they convey to drivers to ensure road safety.

Learn to identify signs that warn about the physical condition of the road itself or structures on it, such as narrow bridges, low clearances, and changes in pavement.

A detailed guide to identifying and reacting to signs that warn of upcoming curves, sharp turns, winding roads, and other changes in the road's horizontal alignment.

Identify and understand signs that warn of upcoming crossroads, T-intersections, side roads, and situations where traffic lanes merge or end, requiring driver cooperation.

Focus on the distinct, often fluorescent yellow-green signs used to warn drivers of areas with high pedestrian, student, or cyclist activity, requiring extra caution.

Learn to recognize signs for slippery surfaces, grade changes, animal crossings, and other physical or environmental hazards on or near the road.

A guide to signs that give advance warning of traffic control devices ahead, such as stop signs, signals, and railroad crossings, allowing you time to prepare.