Parking Signs
Parking Signs
Regulatory Signs
Warning Signs
Posts & Hardware
PARKING SIGNS
  • No Parking
  • Handicapped
  • Reserved
  • Custom Signs
  • Posts & Hardware
REGULATORY & WARNING
  • Regulatory Signs
  • Warning Signs
  • School Zone
  • Construction
  • Guide Signs
SUPPORT
  • Contact Us
  • FAQ
  • Shipping
  • Returns
  • Track Order
COMPANY
  • About Us
  • Get a Quote
  • Privacy
  • Terms

© 2026 ParkingSigns.com

1-877-936-9998sales@parkingsigns.com
  1. Home
  2. Warning Signs
  3. Road Closed (distance) Sign - W20-3
Loading...

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

Road Closed (distance) Sign - W20-3

Road closures demand clear communication and driver safety. Our W20-3 Road Closed sign delivers precise guidance for navigating unexpected route disruptions, helping motorists quickly understand and respond to traffic changes. The reflective aluminum construction ensures high visibility during day and night, meeting critical DOT and MUTCD federal standards. Engineered for durability, these signs are designed to withstand challenging environmental conditions while maintaining crisp, legible messaging. Standard punched blanks with pre-drilled mounting holes facilitate straightforward installation, enabling transportation professionals to quickly deploy critical traffic management signage. The standardized W20-3 symbol provides immediate, unambiguous information about road accessibility, supporting efficient traffic flow and minimizing potential driver confusion.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

W20-3

Sign Type

Construction Sign

Shape

Diamond

Standard warning sign shape

Colors

ABC

Orange background

Black legend

Compliance

MUTCD Compliant: This work zone warning sign meets federal standards per MUTCD Section 6F.16. Orange background indicates temporary traffic control.

SizeDimensionsApplication
Minimum30x30"Low-volume roads
StandardDefault36x36"Conventional roads
Expressway48x48"Expressways and freeways
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 in advance of work zone per MUTCD Chapter 6F. Orange background for temporary conditions. Remove or cover when work not in progress.

MUTCD Reference: Section 6F.16

Reference: MUTCD Section 6F.16

Often Paired With

Signs commonly installed together per MUTCD guidelines

Detour (distance) Sign  - W20-2

W20-2

Detour (distance) Sign

View All Warning Signs

Road Closed (distance) Sign - W20-3

Road Closed (distance) Sign - W20-3
Min: 1 • Max: 1000
Unit Price:$0.00
Quantity:× 1
Total:$0.00

Secure checkout • 100% satisfaction guaranteed