Sign Specifications
MUTCD Code
M1-1W
Sign Type
Route Marker
Shape
Rectangle (Vertical)
Standard regulatory sign shape
Colors
White background
Black legend
Compliance
MUTCD Compliant: Route marker per Section 2D.11. Standard shield design for route identification.
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 24x24" | Conventional roads |
| Large | 36x36" | Freeways |
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
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