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Author(s):

R. Vishwa Pandian | J. Alan Jones | S. Bharath | B. Tanushk | Dr.J.Devi Shree
Keywords:

Accident Detection, IoT, GPS Tracking, Emergency Response, Traffic Signal Preemption, Smart Ambulance System.
Abstract:
Road Accidents Often Result In Severe Consequences Due To Delays In Emergency Detection And Response. Conventional Systems Rely On Manual Reporting Or Single-sensor Mechanisms, Which May Lead To False Alerts And Slow Assistance. This Paper Proposes A Smart Accident Detection And Emergency Response System That Integrates Multi-sensor Monitoring With Real-time Communication And Intelligent Traffic Signal Control. The Vehicle-mounted Unit Utilizes A Vibration Sensor, Accelerometer, Gas Sensor, SpO₂ Sensor, And GPS Module To Detect Abnormal Conditions. A Timer-based User Confirmation Mechanism Is Incorporated To Minimize False Emergency Notifications. Upon Confirmation, Accident Data Along With Location Coordinates Are Transmitted Via Wi-Fi To A Mobile Application For Ambulance Coordination And Navigation. To Reduce Response Time Further, A Traffic Signal Preemption Mechanism Dynamically Assigns Green Signal Priority To The Ambulance Approach Lane, Overriding Normal Signal Cycles. The System Is Implemented Using An ESP8266- Based Architecture, Providing A Reliable And Cost-effective Solution For Real-time Accident Management And Smart Traffic Control.