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ArticlePeer ReviewedOpen AccessPlagiarism Passed
Paper ID:IJSREM68054

4 WAYS TRAFFIC LIGHT CONTROL USING PLC AND SCADA

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM68054

Volume:

10 |

10 |

Oct 2026

Pages:

1-5

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/IJSREM68054

License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

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Authors

Vijay Vishnu Maske

Vijay Vishnu Maske

eletronics & telecommunication

jspm bhivrabai sawant polytechnic

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Aditya Govind Sul

Aditya Govind Sul

eletronics & telecommunication

jspm bhivrabai sawant polytechnic

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Shreya Manohar Zende

Shreya Manohar Zende

eletronics & telecommunication

jspm bhivrabai sawant polytechnic

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Aniket Bharat Chate

Aniket Bharat Chate

eletronics & telecommunication

jspm bhivrabai sawant polytechnic

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Mentors

Mahesh N Waghmode

Mahesh N Waghmode

eletronics & telecommunication

jspm bhivrabai sawant polytechnic

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Abstract

The project entitled “4-Way Traffic Light Control Using PLC and SCADA” focuses on developing an automatic traffic signal control system for managing vehicle movement at a four-way road intersection. Traffic congestion and improper signal management can lead to delays, fuel wastage, and road accidents. To address these problems, the proposed system uses a Programmable Logic Controller (PLC) and Supervisory Control and Data Acquisition (SCADA) technology to control and monitor traffic signals efficiently The proposed project demonstrates the practical application of industrial automation in traffic management. Future improvements may include vehicle-density sensors, adaptive signal timing, emergency vehicle priority, and backup power facilities. Overall, the integration of PLC and SCADA offers a useful foundation for developing more efficient, reliable, and intelligent traffic signal control systems. In this system, the PLC acts as the main controller and operates the red, yellow, and green traffic lights for the North, South, East, and West directions according to a predefined sequence and timing program. The SCADA system is connected to the PLC through a communication interface and provides a graphical display of traffic signal status, timer values, and system operation. It also enables an operator to supervise the system and modify permitted settings when required. The proposed project demonstrates the practical application of industrial automation in traffic management. Future improvements may include vehicle-density sensors, adaptive signal timing, emergency vehicle priority, and backup power facilities.

KEYWORDS

PLC SCADA Traffic Light Control Four-Way Intersection Indu- strial Automation Traffic Management Signal Timing.

Cite This Article

Vijay Vishnu Maske, Aditya Govind Sul, Shreya Manohar Zende, Aniket Bharat Chate, Mahesh N Waghmode, "4 WAYS TRAFFIC LIGHT CONTROL USING PLC AND SCADA," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 10, pp. 1-5, Oct 2026. https://doi.org/10.55041/IJSREM68054

Full Article/Conclusion

The four-way traffic light control system using Programmable Logic Controller (PLC) and Supervisory Control and Data Acquisition (SCADA) provides an efficient and reliable approach to automatic traffic signal management. In this system, the PLC controls the red, yellow, and green traffic lights for four directions according to a predefined timing sequence. The SCADA software allows the operator to monitor traffic signals, observe timer values, and supervise the overall operation through a computer. In conclusion, the project demonstrates how PLC and SCADA technologies can be combined to develop an automated four-way traffic light control system. With suitable improvements and safety measures, this technology has the potential to support better traffic flow, improve road safety, and contribute to smarter traffic management in modern cities.

References

Siemens AG, SIMATIC S7-1200 Programmable Controller System Manual. Available at: https://cache.industry.siemens.com /dl/files/129/109764129/att_974298/v1/s71200_system_manual_ en-US_en-US.pdf Siemens AG, TIA Portal System Overview and WinCC Documentation. Available at: https://docs.tia.siemens.cloud/ International Electrotechnical Commission (IEC), IEC 61131-3: Programmable Controllers—Programming Languages. Available at: https://webstore.iec.ch/en/publication/4552 Federal Highway Administration (FHWA), Traffic Signal Timing Manual. Available at: https://ops.fhwa.dot.gov/publicatio ns/fhwahop08024/chapter1.htm Federal Highway Administration (FHWA), Traffic Signal Timing and Operations Strategies. Available at: https://ops.fhwa. dot.gov/arterial_mgmt/tst_ops.htm Siemens AG, SIMATIC WinCC Unified Engineering Documentation. Available at: https://www.siemens.com/en-us/pr oducts/simatic-hmi/wincc-unified-engineering/ International Electrotechnical Commission (IEC), IEC 61131-3:2025—Programmable Controllers—Programming Languages. Available at: https://webstore.iec.ch/en/publication/68533

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Publication Date

10/16/2026

Peer Review Type

Double-Blind Peer Review

Review Rounds: 2

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