Lighted Traffic Control Mat for Work Zone Safety
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Solution Overview
Problem
Work zones on highways and roadways are hazardous due to drivers failing to notice signage amidst clutter, leading to accidents and fatalities.
Innovation Solution
A lighted traffic control device featuring a mat with embedded solar panels, rechargeable batteries, and LED lights configured in recognizable traffic control patterns, which can be programmatically controlled to alert drivers of lane closures and work zone strategies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional road signage is used in work zones, then drivers are provided with traffic information, but the signage becomes invisible or blends into the background due to visual clutter from numerous signs
Solution Approach 1:
The patent applies dynamics by transitioning from static road signs to dynamic LED lighting patterns that can change intensity, color, and configuration. The LED array can be programmed to display different patterns (flashing, steady, sequential) to capture driver attention and convey traffic control information effectively in work zones.
Solution Approach 2:
The patent utilizes color changes by employing multi-color LED elements that can emit different colors (red, yellow, green, white) to convey various traffic control messages. This allows a single device to replace multiple traditional signs while providing clear, distinguishable visual information to drivers.
2Loss of information
If multiple traditional traffic signs are deployed to provide comprehensive traffic control information, then drivers receive complete information, but driver attention is overwhelmed and many drivers fail to notice the signage
Solution Approach 1:
The patent applies segmentation by dividing the LED array into multiple independently controllable segments or zones. Each segment can display different information or patterns, allowing comprehensive traffic control messages to be conveyed in a structured, organized manner that is easier for drivers to process than a single large complex sign.
Solution Approach 2:
The patent utilizes periodic action by implementing flashing, blinking, or sequential lighting patterns that naturally capture driver attention. The controller can program LEDs to flash in specific sequences or at different intervals to convey urgency or importance of traffic control information, making it difficult for drivers to miss the message.
3Adaptability or versatility
If solar panels and battery systems are integrated into the traffic control device, then the device can operate independently without external power, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent applies universality by designing the traffic control device to perform multiple functions: traffic control information display, energy generation via solar panels, energy storage via batteries, and wireless communication. This multi-functionality allows a single integrated device to replace multiple separate systems (signs, power supplies, controllers) that would otherwise be needed.
Solution Approach 2:
The patent implements self-service by enabling the traffic control device to generate its own power through integrated solar panels and store energy in onboard batteries. The device can autonomously operate for extended periods without external power connections, and the system includes self-charging capabilities and power management to maintain operation under varying environmental conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively grabs drivers' attention by providing clear, recognizable visual cues, thereby reducing accidents and fatalities in work zones by ensuring drivers are alerted to lane closures and work zone strategies.
Implementation Method 1
The example lighted traffic control device includes an independent power source integral with the mat
Implementation Method 2
an LED lighting circuit having a plurality of LED lights inset into the mat in a configuration corresponding to a road sign
Data Source
AI summary
A lighted traffic control device is disclosed as it may be implemented to bring attention to approaching lane closures and other work zone strategies a mat configured for placement on a road surface. An example lighted traffic control device includes an independent power source integral with the mat. The example lighted traffic control device also includes an LED lighting circuit having a plurality of LED lights inset into the mat in a configuration corresponding to a road sign. The example lighted traffic control device also includes a control circuit integral with the mat to operate the LED lighting circuit according to a road or lane closure plan.