Solar-Powered Flashing LED MUTCD W-Series Warning Sign – 30" × 30" Diamond

Manufactured to the same rigorous specifications as our Solar-Powered Blinking Pedestrian Crossing Sign (W11-2), this Solar-Powered Flashing LED W-Series Warning Sign shares the identical premium materials, sophisticated electronics, and best-in-class solar performance. Every unit is custom-built with the MUTCD-approved W-Series legend and reflective sheeting color you select for your specific use case.

Core Advantages

• Custom-built to order with any MUTCD-approved W-Series warning legend
• Sharpens driver awareness through high-intensity flashing LED technology
• Boosts visibility across daytime, nighttime, and low-light conditions
• Runs entirely on solar power — no digging or utility hookup required
• Built for dependable, low-maintenance performance in tough roadway settings

Superior Visibility

• High-output Cree® LEDs deliver bright, even flashing that keeps drivers' attention
• 3M™ Diamond Grade™ Cubed reflective sheeting offers exceptional reflectivity and lasting durability
• Offered with the correct MUTCD-approved sheeting color to match each warning application

Dependable Solar Operation

• High-grade 12V lithium battery with a built-in Battery Management System (BMS)
• Stays powered for up to 55 days without sunlight after a full charge
• Provides steady, easy-care performance throughout the year
• Solar operation removes the need for trenching or outside electrical service

Engineered to Last

• Tough aluminum housing built to withstand years outdoors
• Weatherproof construction made for demanding roadway conditions
• Advanced control board with resistor-regulated power for greater system dependability
• Plug-in quick-connect parts make maintenance and repairs easy
• Graffiti-resistant overlaminate helps the sign stay reflective and presentable

Straightforward Setup

• Keyed, plug-and-play wiring connectors enable quick, mistake-free installation
• Fits standard square posts and round poles
• Standard mounting hardware options available

Available W-Series Legends

Custom-manufactured with nearly any MUTCD W-Series warning sign, including:

• W1: Alignment and Curve Warning Signs
• W2: Intersection and Junction Warning Signs
• W3: Advance Warning Signs (Stop Ahead, Yield Ahead, Signal Ahead)
• W4: Lane Reduction, Merge, and Added Lane Signs
• W5: Road Narrowing and Bridge Width Warning Signs
• W6: Hill and Grade Warning Signs
• W7: Surface Condition Warning Signs
• W8: Pavement and Road Condition Warning Signs
• W9: Passing Restriction Signs
• W10: Railroad Advance Warning Signs
• W11: Crossing Warning Signs, including Pedestrian, Bicycle, Deer, Truck, Animal, Farm Vehicle, Golf Cart, and more
• W12–W25: Clearance, Detour, Work Zone, and Specialty Warning Signs

Note: S-Series School Zone pentagon signs are sold separately on our School Zone product page.

Highlights

• Meets MUTCD standards for roadway use
• High-intensity Cree® LED flashing system
• 3M™ Diamond Grade™ Cubed reflective sheeting
• Graffiti-resistant overlaminate on every sign face
• Fully solar-powered
• No trenching or utility power connection needed
• Offered in a 30" × 30" diamond configuration

Technical Details

• Sign Type: 30" × 30" MUTCD W-Series diamond with integrated LED border
• Finish: Customer-selected W-Series legend with MUTCD-approved reflective sheeting (Yellow, Fluorescent Yellow-Green, Orange, or White)
• Battery: High-grade 12V lithium battery with built-in BMS
• Battery Life: Up to 55 days without sunlight on a full charge
• Temperature Range: -50°F to 125°F
• Mounting: Fits standard square posts or round poles
• Reflective Coating: 3M™ Diamond Grade™ Cubed sheeting with graffiti-resistant film

Warranty

• Backed by a three-year warranty covering the battery, solar panel, LEDs, controller, and craftsmanship