




TrafficFlow Manager™
SpeedCheck TrafficFlow Manager™ is an innovative tool to help you improve traffic flow in areas with timed signals.
SpeedCheck TrafficFlow Manager shows drivers the current "green light speed" of signals, acting to inform drivers that signals are synchronized at a specific speed in order to moderate acceleration.
TrafficFlow Manager displays can be changed via connection with the signal controller, or can be simply scheduled to change the displayed speed by time of day and day of the week (with atomic clock synchronization to keep them in sync with your signal controls).
TrafficFlow Manager displays can also be controlled remotely from a central office via cellular modem or ethernet connection.
When you choose a SpeedCheck display, you are assured of a high quality, easy-to-use, easy-to-service product that will perform reliably for many years.
All SpeedCheck displays are designed with these standard features. For more details, click on each feature to view individually, or
- to view all details at once click here, and
- to close all details at once click here
We manufacture with quality in mind. We use HP AlInGaP LED technology and design with DC display drive. Our LED displays will be bright and clear long after competitors’ displays have noticeably dimmed. SpeedCheck displays use only 100% naturally corrosion resistant materials, including heavy 11-gauge welded aluminum and stainless steel and brass hardware.
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The development of our SpeedCheck UltraClear™ high contrast display highlights our dedication to continuous improvement. Phase one dramatically improved display contrast and legibility, while phase two completely eliminated sun and headlight glare.
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Our vibrant display of driver speed gets results. The SpeedCheck ViolationAlert™ feature flashes to increase driver attention—the higher the speed, the faster it flashes. SpeedCheck displays show measured speeds from one through 99, displaying either miles per hour or kilometers per hour.
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Our displays focus the LED light on the roadway to prevent stray flashing light in neighboring windows. SpeedCheck displays automatically dim the LEDs for night conditions, this reduces power consumption and creates optimum night viewing.
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We are the only company with SafetyMask™ to eliminate rubbernecking and keep driver attention on the road ahead. Another unique safety feature is High-Speed-Blanking™ our option. If a driver tries to race the sign, the display blanks at a preset speed threshold.
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All SpeedCheck displays include a ¼ polycarbonate window, LED braces, and a flexible window design that deflects inward up to 2 ½ inches for the greatest protection. This superior design help protects the internal components from damage.
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We manufacture with quality in mind. We use HP AlInGaP LED technology and design with DC display drive. Our LED displays will be bright and clear long after competitors’ displays have noticeably dimmed. SpeedCheck displays use only 100% naturally corrosion resistant materials, including heavy 11-gauge welded aluminum and stainless steel and brass hardware.
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Our displays are easy to use, troubleshoot and repair. SpeedCheck displays can be serviced in the field by untrained personnel using standard hand tools.
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We back our displays with a standard, two-year product warranty with eight-year warranty on LEDs. Our service support is available to answer your questions and help you when needed. Additional service years can be purchased at a small cost.
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SpeedCheck displays can be tailored to your specific needs. We offer a variety of display configurations, alert features, and scheduling and programming options. For details, click this link.
SpeedCheck displays come with everything you need to get them installed except the pole. You can choose permanent, semi-permanent, portable, or trailer mounting options. For details, click this link.