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Automatic Speed Bump System Using the Internet of Things (IoT)

  • Journal of Internet of Things and Convergence
  • Abbr : JKIOTS
  • 2026, 12(4), 1
  • Publisher : The Korea Internet of Things Society
  • Research Area : Engineering > Computer Science > Internet Information Processing
  • Received : December 22, 2025
  • Accepted : August 19, 2026
  • Published : August 31, 2026

Jun-Hyeong Jin 1 Ji-Heon Kim 1 Tae-Gun Kim 2 KIM, TAEKOOK 1

1국립부경대학교
2김태건

Accredited

ABSTRACT

This paper proposes the design and implementation of an intelligent automatic speed bump system incorporating Internet of Things (IoT) technology. Conventional fixed speed bumps have limitations in terms of road safety and vehicle protection, including noncompliance with installation standards, unnecessary impact on low-speed vehicles, and delays in the movement of emergency vehicles. To address these issues, this study implemented an automatic speed bump system that integrates a CSI camera, load cells, and a microwave motion sensor (TRM-121A) based on Jetson Nano and Arduino Uno. The proposed system determines whether a vehicle is speeding by simultaneously measuring section speed using load cells and instantaneous speed using the motion sensor. It also identifies general vehicles and emergency public service vehicles, such as ambulances and police cars, using a lightweight YOLO algorithm. When an emergency vehicle is detected, the bump remains flat to support rapid passage. When a general vehicle exceeds the speed limit, the actuator is controlled to activate the speed bump function. In addition, a web-based monitoring system using Flask and AWS was developed to enable real-time road condition monitoring, speed threshold adjustment, and manual control of the speed bump.

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* References for papers published after 2025 are currently being built.

This paper was written with support from the National Research Foundation of Korea.