1. Do the traffic signal control units have permanent primary and secondary designations?
- No, users can assign operating designations to any control unit during initial setup. This user-friendly feature simplifies and speeds up the setup process, saving valuable time onsite. 


2. Do the traffic signal controllers require auxiliary equipment or interfaces (e.g., a laptop or micro-terminal) to input signal timing parameters?
- No, the traffic signal controllers allow users to input all necessary settings directly, without the need for any auxiliary equipment or additional interfaces.


3. How do the traffic signal trailers communicate with during onsite use?
- Through radio communication and can also be hardwired together for communication, if required.


4. What is the maximum distance range for wireless communication between traffic signals?
- Models PTL2.4x and PTL2.4LD can communicate up to one mile (1.6 km) with a clear line of sight between the signal trailers. Model, RCF 2.4 can communicate up to half a mile (0.8 km) with a clear line of sight between the signal trailers.


5. How many signal trailers can be operated in conjunction on the same jobsite?
- Up to twenty of our Generation 3 traffic signal trailers can operate simultaneously, accommodating complex traffic control plans.


6. Can the traffic signals operate manually?
- Yes, they can be manually operated at any time during operation, either using a radio remote control or directly from the traffic signal controller.
- Yes, our traffic signals can be remotely monitored with automatic notifications sent via text message or email. For further information


7. Setting Up Time of Day in One Way Zone Applications?
1. Scroll to "Program" and press the select button.
2. Scroll to "Time of Day" and press the select.
3. Scroll to "Clock" and press select.
4. Use the up and down buttons to set the correct date and time.
5. Scroll to "Plan File" and select "Plan File 1."
6. Scroll to "Time" and select the desired start time for Plan File 1.
7. Scroll to "Days" and select the days Plan File 1 will operate on.
8. Press select.
9. Scroll to "Timing" and press select.
10. Scroll to "Phase" and select "Primary."
11. Enter timing values for the primary unit.
12. Scroll to "Phase" and select "Secondary 1."
13. Enter timing values for Secondary 1 unit.
14. Press select.
15. Scroll to "Clock" and press select.16. Scroll to "Plan File" and use the up and down buttons to choose Plan File 2.
17. Scroll to "Time" and select the desired start time for Plan File 2.
18. Scroll to "Days" and select the days Plan File 2 will operate on.
19. Press select.
20. Scroll to "Timing" and press select.21. Scroll to "Phase," select "Primary."
22. Enter timing values for the primary unit.
23. Scroll to "Phase," select "Secondary 1."
24. Enter timing values for Secondary unit.
* Repeat these steps to enter more plan files (up to six).


8. Can the traffic signals detect approaching vehicles?
- Yes, our traffic signals utilize recognized vehicle detection hardware to optimize vehicular flow and enhance on-site worker safety. Additionally, they can incorporate hardware to detect approaching emergency vehicles and trains.


9. Can the traffic signals be remotely monitored during operation?
- Yes, our traffic signals can be remotely monitored with automatic notifications sent via text message or email. For further information


10.Can I tow two traffic signal trailers in tandem?
- Yes, the traffic signal trailers can be towed in tandem. Please refer to the rules and regulations of your local road authority. For Washington State, please contact the Seattle Department of Transportation (SDOT) for specific guidance.