Arrow signs aren’t just road symbols—they’re instructions on wheels. For manufacturers of arrow-board or VMS trailers, understanding these arrow types is key to designing robust trailers that support compliance, safety, and visibility. Here are four critical takeaways your engineering and sales teams will appreciate:
1. 👉 Single Arrow = Lane Merge or Shift
Use case: tells drivers to move left or right; commonly seen in lane closures or work zones.
Design impact: trailers must allow 360° rotation or adjustable tilt brackets, enabling arrow boards to orient clearly in either direction—even on uneven pavement or slopes.
2. 🔁 Double Arrow = Directional Split/Combined Flow
Use case: indicates diverging paths ahead (e.g. highway splits).
Design impact: requires wider trailer frames for large dual-arrow panels and stabilizing outriggers to resist wind mid-split. Ensuring dual-panel balance is key to avoid heavy torque load on the trailer chassis.
3. ➡️ Scrolling Arrows = Dynamic Traffic Deviation
Use case: LED arrows that flash or crawl to guide traffic dynamically (especially effective in night or low-visibility).
Design impact: trailer must support stable power supply cable routing, ventilation ports for LED heat dissipation, and rigid mast design to keep boards vibration-free.
4. 🔄 Circular Arrow = Roundabout or Detour Routes
Use case: less common but vital in detour routing and traffic circle guidance.
Design impact: arrow boards may be circular or semicircular, requiring adaptable mounting systems and reinforcing cross-members to securely hold curved panels without flexing.
🔧 Why Your Trailer Design Matters
| Feature | Benefit |
|---|---|
| Adjustable mounts | Clear, correct arrow orientation |
| Telescopic mast | Optimal angle and height for visibility |
| Folding outriggers | Stable base when displaying panels |
| Power/vent routing | Protects LEDs and prevents overheating |
🌟 Our Edge: Built for Real-World Traffic Scenarios
At Zhuoyue Metal Products Co., Ltd., we specialize in building chassis, masts, outriggers, and brackets tailored to arrow board and VMS trailers. We ensure:
Modular mounts for rotating/circular arrow displays
Heavy-duty outriggers & frame ports for LED systems
Compliance with MUTCD, AS/NZS, CE standards
Field-tested stability in wind and rough terrain
✅ Final Takeaway
Arrow signs guide traffic safely—but only when supported by a versatile, well-engineered trailer chassis. If your arrow board trailer isn’t built for dynamic display and harsh environments, you’re risking safety and compliance.
Looking to upgrade your arrow board trailer’s design? Let’s talk mounting systems, mast stability, and chassis durability tailored to your arrow displays.
Curious how we can customize your trailer for single, double, scrolling, or circular arrow boards? Contact us today to review your display and trailer needs—and get a no-obligation structural assessment.