MUTCD Solar LED Warning Sign | Any W-Series | 30x30 & 36x36
MUTCD Solar LED Warning Sign | Any W-Series | 30x30 & 36x36
Couldn't load pickup availability
30x30" or 36x36" MUTCD LED Warning Sign – Diamond Shape (All W-Series Legends Available)
This is a custom-built warning sign on the same proven platform as our Pedestrian Crossing Sign (W11-2) — identical materials, electronics, and solar performance. Only the sign face changes: choose any W-Series legend and any MUTCD-approved reflective sheeting color for your order.
Ordering a custom legend? Just note your required W-Series code and sheeting color in the order comments at checkout, or email sales@alertlightingco.com.
Full Product Specification Sheet
Covers our complete line of solar powered LED flashing signs — stop signs, pedestrian crossing signs, and warning signs.
Download Spec SheetWhy Choose This LED W-Series Diamond?
High Visibility
- Cree LEDs provide bright, uniform flashing for driver attention.
- 3M Diamond Grade reflective sheeting for superior day and night visibility.
Solar Powered, Long Runtime
- Premium lithium battery with integrated BMS for stable power and long life.
- Up to 55 days of operation without sunlight after a full charge.
Built To Last
- Engineered aluminum housing and weather-resistant components.
- Upgraded control board with resistor-regulated power and plug-in quick connectors for easy service.
Easy Installation
- Plug-and-play wiring with keyed connectors.
- Mounts to standard square posts or round poles using typical hardware.
Warning Sign Types
We manufacture any MUTCD W-Series legend below on a 30x30 or 36x36 diamond and apply the correct sheeting color per MUTCD guidance.
W1 – Alignment and Curves
- W1-1 Turn
- W1-2 Curve
- W1-3 Reverse Turn
- W1-4 Reverse Curve
- W1-5 Winding Road
- W1-6 Large Arrow
- W1-7 Hairpin Curve
- W1-8 Chevron Alignment
- W1-10 Divided Highway Crossing
- W1-11 190-Degree Loop
W2 – Intersections and Junctions
- W2-1 Cross Road
- W2-2 Side Road
- W2-3 T-Intersection
- W2-4 Y-Intersection
- W2-5 Circular Intersection
- W2-6 Offset Side Roads
W3 – Advance Warnings
- W3-1 Stop Ahead
- W3-2 Yield Ahead
- W3-3 Signal Ahead
- W3-4 Be Prepared to Stop
- W3-5 Speed Reduction
W4 – Lane and Merge Warnings
- W4-1 Merge
- W4-2 Lane Reduction
- W4-3 Right/Left Lane Ends
- W4-4 Added Lane
- W4-5 Entering Roadway Merge
- W4-6 Lane Ends Merge Left/Right
W5 – Road Narrowing and Bridge Width
- W5-1 Road Narrows
- W5-2 Bridge Narrows
- W5-3 Narrow Bridge
- W5-4 Divided Highway Ends
W6 – Two-Way Traffic and Divided Highways
- W6-1 Two-Way Traffic
- W6-2 Divided Highway
- W6-3 Two-Direction Large Arrow
W7 – Hills and Grades
- W7-1 Hill
- W7-2 Truck Escape Ramp
- W7-3 Steep Grade
W8 – Surface Condition Warnings
- W8-1 Bump
- W8-2 Dip
- W8-3 Pavement Ends
- W8-4 Soft Shoulder
- W8-5 Slippery When Wet
- W8-6 Truck Crossing
- W8-7 Loose Gravel
- W8-8 Rough Road
- W8-9 Low Shoulder
- W8-10 No Shoulder
- W8-11 Uneven Lanes
- W8-13 Grooved / Open Grid Deck
- W8-17 Shoulder Drop-Off
W9 – Lane Restrictions
- W9-1 Lane Ends Merge Left
- W9-2 Center Lane / Left Lane Must Turn Left
- W9-3 Lane Closed
W10 – Railroad Advance Warning
- W10-1 Railroad Crossing Advance Warning
- W10-2 Railroad Crossing (Skewed)
- W10-3 Advance Intersection Railroad
- W10-4 Railroad Crossing with Parallel Roadway
- W10-5 Light Rail Transit
- W10-9 Emergency Vehicle Railroad Approach
- W10-11 Exempt Sign
- W10-12 Turning Vehicle Stop
W11 – Crossing Warnings and Shared-Use
- W11-1 Bicycle Crossing
- W11-2 Pedestrian Crossing
- W11-3 Deer Crossing
- W11-4 Cattle Crossing
- W11-5 Farm Equipment
- W11-7 Golf Cart Crossing
- W11-8 Equestrian Crossing
- W11-9 Snowmobile Crossing
- W11-10 Truck Crossing
- W11-15 Trail Crossing
- W11-16 School Bus Crossing
W12 – Clearance Warnings
- W12-1 Double Arrow (Low Clearance)
- W12-2 Reduced Vertical Clearance
W13 – Advisory Speed
- W13-1 Advisory Speed Plate
- W13-3 Ramp Speed
- W13-5 Truck Rollover Warning
W14 – Dead End and No Outlet
- W14-1 Dead End
- W14-2 No Outlet
- W14-3 Pavement Narrows
W16 – Supplemental Plaques
- W16-2a Distance Plaque
- W16-3 Crossing Plaque
- W16-7 Bicycle Plaque
W20 – Road Work and Detours
- W20-1 Road Work Ahead
- W20-2 Detour
- W20-3 Road Closed Ahead
- W20-4 One Lane Road
- W20-5 Right/Left Lane Closed Ahead
- W20-7 Flagger Ahead
W21 / W22 / W23 – Work Zone and Specialty Warnings
- W21-1 Workers Ahead
- W21-8 Utility Work Ahead
- W22-1 Blasting Zone Ahead
- W23-1 Men/Workers Working
- W25-1 Other Specialty Warning
Note: Exact code numbering can vary slightly by MUTCD edition and state supplement. Confirm your required code with us before ordering, and S-Series School Zone pentagons are not part of this product — order those on our school zone page.
Key Features
- MUTCD compliant for official roadway use.
- 3M Diamond Grade Cubed reflective sheeting with anti-graffiti protective film.
- Cree LEDs for high-intensity flashing.
- 100% solar powered, no trenching or external power required.
- Available in 30x30" or 36x36" sizes.
Specifications
| Sign Type | MUTCD W-Series diamond with integrated LED border |
|---|---|
| Size | 30" x 30" Diamond or 36" x 36" Diamond — select size above |
| Finish | Your selected W-Series legend with MUTCD-approved sheeting color (yellow, fluorescent yellow-green, orange, or white) |
| Battery Pack | Premium lithium with BMS, 12V |
| Runtime | Up to 55 days of operation without sunlight after full charge |
| Operating Temperature | -50°F to 125°F |
| Mounting | Standard square post or round pole |
| Reflective Material | 3M Diamond Grade with anti-graffiti film |
| Manufactured In | USA – Muskego, Wisconsin |
Warranty and Support
- Solar Panel — 5-Year Warranty
- LEDs — 5-Year Warranty
- Control Board — 2-Year Warranty
- Battery — 1-Year Warranty
- Fast technical support available seven days per week.
Standard pricing available for municipal, county, and DOT purchasing programs.
Order NowQuestions or bulk orders: sales@alertlightingco.com or (800) 956-8213
