School Speed Zone Ahead Sign - S4-5a
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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 Speed Zone Ahead Sign - S4-5a
These School Speed Zone Ahead Signs provide critical safety guidance for motorists approaching educational areas. Designed to alert drivers about reduced speed limits, the signs help create a protective environment for students and pedestrians near school zones. Constructed on standard aluminum blanks with reflective materials, these signs offer maximum visibility during various lighting conditions and weather scenarios. Fully compliant with DOT and MUTCD state and federal standards (Model S4-5a), the signs meet all regulatory requirements for traffic safety signage. By providing clear, prominent warnings, these signs effectively encourage drivers to reduce speed and increase awareness in school zone areas.
Sign Specifications
MUTCD Code
S4-5A
Sign Type
School Sign
Shape
Rectangle (Horizontal)
Guide and information signs
Colors
Fluorescent Yellow-Green background
Black legend
Compliance
MUTCD Compliant: Reduced School Speed Ahead sign per Section 7B.15. 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 reduced school speed zone. Diamond shape with FYG background.
MUTCD Reference: Section 7B.15