
Traffic signals are essential tools for managing traffic flow and ensuring safety at intersections. This course introduces the core concepts and terminology about traffic signals and their operation.

Traffic signals are essential tools for managing traffic flow and ensuring safety at intersections. This course introduces the core concepts and terminology about traffic signals and their operation.
背景色
フォント
フォントカーニング
文字の大きさ
画像の可視性
文字間隔
行の高さ
リンクの強調
文字の色