A yellow pennant-shaped sign on the left side of a roadway indicates: A railroad crossing is ahead The start of a school zone The start of a no-passing zone A detour is ahead

This yellow pennant-shaped sign is a warning that a no-passing zone is ahead, which allows drivers to be cautious and avoid dangerous overtaking. No-passing zones are typically located on curves or hills where visibility is limited, enhancing road safety for all users! In many educational resources, such as the Driver's Handbook, it's highlighted that understanding road signs, including their shapes and colors, is crucial for safe driving. A yellow pennant signifies caution, reminding drivers to keep a lookout for vehicles, cyclists, or other obstacles that may require attention as they navigate through a no-passing area.