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  1. Home
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  3. Interstate Route Sign - M1-1
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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

Interstate Route Sign - M1-1

Interstate route signs are critical infrastructure for clear highway navigation and driver safety. These high-quality signs are crafted from reflective aluminum standard punched blanks, engineered to meet both DOT and MUTCD state and federal standards. The M1-1 Interstate route sign offers exceptional visibility through its reflective material, ensuring clear communication for drivers during day and night conditions. Constructed with durable aluminum, the sign resists rust and corrosion, providing long-lasting performance in diverse environmental conditions. Designed to precisely meet regulatory requirements, these signs play a crucial role in guiding motorists along major highways with professional, standardized signage.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

M1-1

Sign Type

Route Marker

Shape

Rectangle (Vertical)

Standard regulatory sign shape

Colors

ABC

White background

Black legend

Compliance

MUTCD Compliant: Route marker per Section 2D.11. Standard shield design for route identification.

SizeDimensionsApplication
StandardDefault24x24"Conventional roads
Large36x36"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

Mount on sign assembly with route number. Interstate: blue shield. US Route: white shield. State: varies.

MUTCD Reference: Section 2D.11

Reference: MUTCD Section 2D.11

Often Paired With

Signs commonly installed together per MUTCD guidelines

Custom Reflective Aluminum Vertical Signs - CS-VR

CS-VR

Custom Reflective Aluminum Vertical Signs

No Parking Any Time Sign - R7-1

R7-1

No Parking Any Time Sign

Reserved Handicap Parking Sign (Various States) - R7-8

R7-8

Reserved Handicap Parking Sign (Various States)

Reserved Parking - AR-102

AR-102

Reserved Parking

Custom Reflective Aluminum Horizontal Signs - CS-HR

CS-HR

Custom Reflective Aluminum Horizontal Signs

No Parking Sign - R8-3

R8-3

No Parking Sign

View All Parking Signs

Interstate Route Sign - M1-1

Interstate Route Sign  - M1-1
Min: 1 • Max: 1000
Unit Price:$0.00
Quantity:× 1
Total:$0.00

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