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Advancing Layout Safety and Precision.
When it comes to pavement marking layout, safety and accuracy are everything. The Pattern Automation System (PAS) option for the LifeMark® Auto Layout Systems takes both to a new level—keeping crews out of harm’s way while maintaining remarkable consistency in coding of marking transitions.
What It Does
he PAS automates a time-consuming and hazardous steps in layout work: detecting and coding changes in the pavement marking pattern. Traditionally, this required workers to be on the roadway, manually identifying when patterns change from skip to solid or from single to double lines.
With PAS, that process happens automatically.
Using advanced AI-driven camera detection, robotic control, and integrated geospatial mapping, PAS identifies existing markings’ pattern transitions, records them, and codes the pavement automatically through a three-spray process during the layout process. The operator remains safely inside the vehicle throughout.
The system is available in three configurations:
- Left-Side Only
- Right-Side Only
- Dual-Side (Both Left and Right)
Most customers choose the left-side PAS, which best fits standard U.S. traffic marking operations.
How It Works
During the surveying and recording process: As the LifeMark travels along existing pavement markings, the PAS cameras and AI continuously monitor and record the current pattern and any changes.
During the layout process: When a recorded pattern change—such as from skip to solid—is reached, the system automatically applies a code mark indicating both the current and upcoming pattern at that transition point.
This process allows crews to layout miles of roadway patterns with minimal exposure and maximum productivity.
Where It Excels
PAS performs exceptionally well when:
- Existing markings are in good condition and have sufficient contrast against the pavement.
- The existing marking is uniformly visible, free from deep shadows or eradicated sections.
- Previous restriping has been done cleanly without overlapping or “ghost” lines.
Under these conditions, PAS can detect and code transitions with outstanding precision—cutting manual labor time and exposure risk dramatically.
What to Keep in Mind
Like any advanced technology, PAS works best when it can clearly “see” the markings.
Certain real-world conditions can affect detection accuracy, such as:
- Worn or faded lines or line sections
- Poorly restriped or overlapped markings
- Low contrast markings, such as faded white on concrete
- Strong shadows or reflective glare
These situations can cause false detections—for example, the system may read a worn double line as a one sided pass transition. Fortunately, catching and correcting these is simple.
Before each layout, operators can quickly review the collected PAS data using the built-in map plotting tool. False transitions are easy to spot, often appearing as multiple changes only a few feet apart. A quick review takes just a few minutes and ensures accuracy before layout begins.
Why It Matters
The Pattern Automation System isn’t just about automation—it’s about protection and productivity.
By removing workers from the active roadway, PAS dramatically reduces exposure to live traffic and nighttime hazards. At the same time, it streamlines a critical step in the layout process, improving both speed and consistency.
In short, PAS represents another leap forward in LimnTech’s mission to keep “boots off the pavement” while delivering the highest standard of accuracy and efficiency in pavement marking operations.
In Summary
| Feature | Benefit |
| Automatic pattern detection | Eliminates manual coding in traffic |
| AI and camera-based sensing | Increases consistency and precision |
| Simple pre-layout data review | Ensures confidence and accuracy |
| Multiple configurations | Adapts to different operational needs |
| Safer, faster, more productive | Keeps crews focused and out of danger |
The Pattern Automation System—a smarter, safer way to lay out what’s next on America’s roadways.
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