Folding Radar-Speed Trailer


The Wanco folding radar-speed trailer features a large full-matrix display, oversized speed limit sign, and work zone sign. Very tall when deployed, the trailer folds down for easy transport and storage. The speed display shows vehicle speed in 26-inch characters, warning motorists to slow down by flashing their excessive speed.

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  • Heavy-duty hand-winch with safety brake raises regulatory signs frame for deployment
  • Single locking device holds frame in place while operating and during transport
  • Extra-large electronic speed display with full matrix of LEDs
  • Visors and shades over LEDs produce superior visibility
  • Display visible over standard Jersey barrier traffic divider
  • Display flashes when a vehicle exceeds speed limit
  • Selectable speed limit setting
  • Configurable, flashing excessive-speed message
  • One or two digits displayed in mph, two or three digits in km/h
  • See-through design puts road workers in view
  • Regulatory speed-limit sign with easily changeable speed numbers
  • Additional construction sign above speed limit sign
  • Approach-only K-band radar
  • Easy to transport
  • Integral control box with tamper-resistant cover that locks (with key) when latched
Power system
  • Battery powered & solar charging
  • Energy-efficient operation results in long run times
  • Solar panel charges batteries automatically without intervention
  • Charging system shuts down when batteries are fully charged, preventing damage
  • Power system allows battery charging with solar panels or commercial power
  • Cooling fan protects battery charger from overheating
  • Battery box can be locked to prevent unauthorized access
  • Individual display modules can be replaced easily
  • Standard trailer tires
  • Heavy-duty bolt-on steel fenders can be replaced if damaged
  • Durable powder-coat finish resists the elements
Tow hitch
  • Combo-hitch for 2-inch ball and 2 1/2-inch pintle hook
  • Standard-duty lunette ring for 2 1/2-inch pintle hook
  • Heavy-duty lunette ring for 3-inch pintle hook
  • Additional Group 24 batteries, up to four total
  • Maintenance-free AGM batteries
  • 45-amp battery charger
  • Additional solar
  • Secure battery box
Other options
  • Flashing red-and-blue “police” lights
  • White flashers
  • Strobe
  • Caution beacons
  • 365-day timer

†Some options may not be available for aftermarket installation. Please consult factory.

Click for full specifications
Dimensions — inches (cm)
Dimensions — inches (cm)
Approx. 1170 lbs. (530.7 kg)
TrailerMIG-welded steel tubing
Speed-display cabinetAluminum sheet construction, NEMA 4 rated
CoatingPowder-coated and oven-baked
SignAluminum sheet
BatteriesTwo Group 24 deep-cycle batteries, wired for 12 V dc power supply; four batteries optional
Battery capacity215 Ah total
Solar panelOne 65 W panel; higher-output panels optional
Regulatory signs
Speed limit36" x 48" (91 x 122cm), W x H
Work zone36" x 18" (91 x 46cm), W x H
Click for full specifications

†Specifications subject to change without notice.

Wanco speed trailers provide vehicle speed detection and display in a portable platform that does not require permanent installation or wiring. These signs provide a strong measure of traffic calming unmatched by other roadway signs.

Wanco engineers designed the new full-matrix radar-speed display to be the largest, most visible display on the market. The large, portable trailer is intended for use on highways and large roadways with high volume, and in work zones.

When a motorist exceeds the speed limit, the display flashes the vehicle’s speed. For excessive speed, a selectable overspeed message flashes “SLOW DOWN” or a frowning face or other symbol, together with optional flashers that attract attention.

Factory-configured units show motorists’ speed in mph (one or two digits) or km/h (two or three digits). The display’s LEDs have visors and shades that produce superior angularity and visibility. The solar‑powered battery-charging system provides longer run times.

A large regulatory sign above the display features changeable speed-limit numbers for easy setup in any speed zone.

Formal studies have proven that speeding drivers respond by slowing down to legal limits when their actual speed is displayed on an electronic sign. Studies also indicate that some drivers “test” radar-based speed displays by driving very fast. To address this danger, Wanco speed signs do not display excessive speed, but instead employ their full-matrix display to flash a message or symbol at drivers, to indicate they are going much too fast.

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