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Automated Flagger Assistance Devices (AFADs)
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10 Things to Look for When Choosing an Automated Flagger Assistance Device (AFAD)

Automated Flagger Assistance Devices (AFADs) are essential for improving safety and efficiency in traffic control, especially in work zones. An increasing number of states and provinces are making them mandatory to protect flaggers.  
 
However, not all AFADs are created equal, and choosing the right one can significantly impact your operations. Below are some key elements to consider when selecting an AFAD, including beneficial features and potential drawbacks to watch out for.

 

AFAD Transportation

1. AFAD Transportation and Deployment

Efficient transportation and deployment are crucial to getting a work zone up and running quickly. When assessing AFAD options, look for units that can be towed directly to the point of deployment, easily unhitched, and positioned with minimal effort.  

A simple setup process using swivel leveling jacks is ideal, enabling easy leveling and stability. Some units may offer alternative methods, like wheeling off a trailer and requiring manual battery transportation, which can make the process longer and require more effort. 

Deployment mechanisms may also vary. Some devices use a straightforward single pin pull to raise the mast, which can save time and reduce frustration. Others may have more complex setups with multiple leveling screws, which makes deployment lengthier and can be prone to wear and tear over time. 

Safety

2. Safety Considerations

Safety is a top priority when selecting an AFAD. Look for models with a minimal number of pinch points to reduce the risk of injury during deployment and operation. For example, some devices have a streamlined design with just one pinch point, at the actuator, making them safer to use. In contrast, other models may have multiple pinch points, which can increase the risk of injury and require more careful handling during setup. 

3. Pairing & Programming 

Pairing AFAD units should be simple and efficient. Ideally, you want a device that only requires the pairing process once, making it easier to deploy consistently in the future. Some AFADs allow you to quickly switch between solo and paired operation modes with just a few button presses, which is convenient when adjusting to different traffic management needs. 

In contrast, certain models may require re-pairing each time they are deployed, adding unnecessary complexity to the setup process. Additionally, switching between solo and duo modes may require going through an unpairing process, which can slow down operations and increase the chance of errors. 

 

4. Remote Control Functionality 

A user-friendly remote control can significantly improve daily operations. Look for AFADs that prioritize ease of use with intuitive controls and straightforward functionalities. A good remote should balance capability and simplicity for smooth traffic management. 

Battery autonomy is also a key consideration. Seek remotes that can last for extended periods without needing constant recharging, especially in harsh weather conditions. Some manufacturers offer remotes that require frequent charging, which can be inconvenient and limit operational flexibility. 

Situational Awareness On-Site

5. Operations and Situational Awareness On-Site

Situational awareness of the work site is vital for operator safety. AFADs that use line-of-sight principles help operators maintain a direct connection to the site, enhancing their awareness of the surroundings. This approach encourages the active monitoring of traffic conditions, reducing the risk of distractions while operating the AFAD. 

Some devices may allow for expanded operations beyond line-of-sight through the use of cameras and tablets, but it's important to consider the potential risks. Operators using this setup must focus on a tablet screen, which can reduce their awareness of their immediate surroundings.  

This is particularly concerning as most work zone injuries and fatalities result from collisions between workers and machinery operating within the work zone. The operator’s reduced situational awareness while concentrating on the screen can pose a significant safety threat, making it crucial to evaluate the impact of such features on overall work site safety. 

Gate Arm Reliability

6. Gate Arm Reliability

A robust and simple-to-install gate arm is another important factor for an effective AFAD. Look for models with durable materials that remain secure even after extended use, minimizing maintenance needs.  

Some AFADs use magnetic attachments that can weaken over time, potentially leading to issues like accidental intrusion alarms. This can reduce the device's effectiveness in alerting operators to real intrusions in the work zone. 

7. Data Management and Camera Footage 

Access to camera footage can be essential for reviewing work zone incidents and improving safety measures. An ideal AFAD allows for straightforward data extraction, such as downloading footage directly via an Ethernet cable. This method can be more efficient than alternatives like transferring footage through a flash drive, which can involve extra steps and more handling time. 
 

8. AFAD Battery Life and Maintenance 

Battery life is a critical consideration when selecting an AFAD, as it impacts both maintenance needs and overall operational efficiency. Look for units that offer extended battery autonomy, ideally lasting for multiple weeks or months between charges under typical conditions. This reduces the frequency of charging and allows for more consistent operations, especially in remote locations or long-term projects.  Typically, solar-charged systems have more autonomy and provide smoother operations. 

In contrast, some AFADs may require more frequent charging—sometimes every few hours—resulting in increased downtime and logistical challenges. Additionally, consider how the device handles cold weather, as some units may require more frequent charging during colder months. 

9. Durability and Proven Performance

Durability is a major factor when investing in an automated flagger, or AFAD. Consider devices that have been tested and proven in various environments, such as harsh winters or long-term infrastructure projects. A road-proven unit can offer greater reliability and reduce the risk of breakdowns or malfunctions over time. Other models may be more dependent on the condition of the trailers they are transported on, which can affect their longevity and operational readiness. 

Durability
Adaptability

10. Adaptability

For expanding work zones or short-term utility work, you may want to opt for an AFAD that quickly adapts to mobile operations. Hitch-mounted AFADs are highly flexible options that can be used on their own for small work zones, or combined with a trailer-mounted AFAD. When the work zone expands, you simply need to move the truck ahead to move your flagging operations. 
 

Choosing for Your Traffic Control Needs 

Choosing the right Automated Flagger Assistance Device involves understanding the features that will best support your traffic control needs. Look for units that are easy to deploy, offer a simple and secure setup, provide intuitive controls, and are built to withstand the demands of the job site.  

While some manufacturers might offer different approaches, prioritizing these characteristics will help you find a reliable and efficient AFAD that enhances both safety and productivity in your work zones. 

Find Out More

Find out more about the AFAD by reading our white paper.

Ver-Mac Automated Flagger Assistant Device (AFAD) Training.