School Bus Turn Ahead Sign - S3-2
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Choose Your Reflectivity Grade
Compare visibility, durability, and ideal applications
Engineering Grade
Ideal Use
Parking lots
Brightness
General Lifespan
7 years
Night-time Visibility
500 feet away
High Intensity Prismatic
Ideal Use
Roadways
Brightness
General Lifespan
10 years
Night-time Visibility
1000 feet away
Diamond Grade
Ideal Use
High-speed roadways
Brightness
General Lifespan
10+ years
Night-time Visibility
1500 feet away
Product Details
School Bus Turn Ahead Sign - S3-2
School bus safety requires clear, visible signage to alert drivers of potential hazards. This S3-2 turn ahead sign is specifically designed to warn motorists about upcoming school bus routes, helping prevent accidents and protect student transportation. Constructed from reflective aluminum with standard punched blanks, the sign meets DOT and MUTCD state and federal standards. Available in multiple sizes to accommodate different road conditions, the high-intensity reflective material ensures maximum visibility during day and night, making it an essential traffic safety tool for school zones and bus routes.
Sign Specifications
MUTCD Code
S3-2
Sign Type
School Sign
Shape
Diamond
Standard warning sign shape
Colors
Fluorescent Yellow-Green background
Black legend
Compliance
MUTCD Compliant: School Bus Stop Ahead sign per Section 7B.13. Fluorescent yellow-green background required.
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 36x36" | Conventional roads |
| Large | 48x48" | Multi-lane roads |
MUTCD Compliant
Federal standards
DOT Approved
State & Federal
ASTM D4956
Type III/IV/XI
10+ Years
Durability
High Intensity Prismatic (HIP)
Type: ASTM Type III/IV
Lifespan: 10 years
Brightness: ~360 cd/lux/m²
Traffic signs, work zones, roadways
Diamond Grade (DG3)
Type: ASTM Type XI
Lifespan: 10-12 years
Brightness: ~580 cd/lux/m²
Critical signs, freeways, overhead signs
Install in advance of established school bus stops. Diamond shape with FYG background.
MUTCD Reference: Section 7B.13