The sizes below are measured using the “sign as square” method. If you measured the School Bus Stop Ahead sign, instead, from the top to the bottom, this tip-to-tip dimension would be 40% larger.
• Fluorescent Yellow reflective diamond grade signs offer exceptional visibility - both at night and during the day. Signs are especially conspicuous during dawn and dusk - key hours for going to and from school. This important new material has saved countless lives and represents a tremendous advance in school zone safety.
• This sign is not part of the official MUTCD design specifications. For the official MUTCD School Bus Stop Sign please see S3-1.