Bees, caution tape, and the Pittsburgh Steelers have proven that black and yellow make an eye-catching color combo. But the black stripes on yellow school buses aren’t just for design. Rub rails are also positioned at specific spots. This strategic placement could prove useful after a bad crash if the school bus doors and windows can’t be reached or opened. The bus’s color, by the way, is called “National School Bus Glossy Yellow,” and it definitely was chosen to be eye-catching.