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  1. Home
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  3. Weight Limit Signs - R12-4

Weight Limit Signs - R12-4

Weight Limit Signs - R12-4
Min: 1 • Max: 1000
Unit Price:$0.00
Quantity:× 1
Total:$0.00

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Choose Your Reflectivity Grade

Compare visibility, durability, and ideal applications

Type I

Engineering Grade

Ideal Use

Parking lots

Brightness

Standard

General Lifespan

7 years

Night-time Visibility

500 feet away

Type IV

High Intensity Prismatic

Ideal Use

Roadways

Brightness

High

General Lifespan

10 years

Night-time Visibility

1000 feet away

Type IX

Diamond Grade

Ideal Use

High-speed roadways

Brightness

Maximum

General Lifespan

10+ years

Night-time Visibility

1500 feet away

Product Details

Weight Limit Signs - R12-4

Weight limit signs play a critical role in traffic management and infrastructure protection. These essential regulatory signs communicate maximum vehicle weight restrictions, helping prevent potential damage to roads, bridges, and other transportation infrastructure. By clearly indicating permissible weight limits, these signs ensure both driver safety and structural integrity. Constructed from durable reflective aluminum standard punched blanks, these signs are engineered to withstand challenging environmental conditions while maintaining high visibility. The reflective coating ensures clear legibility during day and night, allowing drivers to quickly comprehend weight restrictions. Compliant with DOT and MUTCD state and federal standards, these signs meet all necessary regulatory requirements for official traffic signage. Available in the R12-4 product code configuration, these weight limit signs provide a professional and standardized approach to communicating critical transportation guidelines. The high-intensity reflective materials guarantee maximum visibility and long-lasting performance in diverse weather conditions and traffic environments.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

R12-4

Sign Type

Regulatory Sign

Shape

Rectangle (Vertical)

Standard regulatory sign shape

Colors

ABC

White background

Black legend

Compliance

MUTCD Compliant: Weight limit sign per MUTCD Section 2B.62.

SizeDimensionsApplication
StandardDefault18x24"Conventional
Compliance & Certifications

MUTCD Compliant

Federal standards

DOT Approved

State & Federal

ASTM D4956

Type III/IV/XI

10+ Years

Durability

Engineer Grade (EG)

Type: ASTM Type I

Lifespan: 5-7 years

Brightness: ~50 cd/lux/m²

Parking lots, low-speed areas, non-critical signage

Recommended

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 at approaches to weight-restricted structures.

MUTCD Reference: Section 2B.62

Reference: MUTCD Section 2B.62

Often Paired With

Signs commonly installed together per MUTCD guidelines

Do Not Enter Sign - R5-1

R5-1

Do Not Enter Sign

Speed Limit Sign - R2-1

R2-1

Speed Limit Sign

Stop Signs - R1-1

R1-1

Stop Signs

4 Way Stop Sign - R1-3

R1-3

4 Way Stop Sign

One Way Right Sign - R6-1R

R6-1R

One Way Right Sign

Truck Speed Limit Sign - R2-2

R2-2

Truck Speed Limit Sign

View All Regulatory Signs