Transportation has great importance in our daily life and it’s development has made many of our chores much easy. IoT based vehicle accident detection system using GPS and WIFI has gained attention. When accident occurs, this system sends short message to WhatsApp of a mobile number via Wi-Fi over internet. Message will give longitude and latitude values. From these values location of accident can be determined.

Keywords : Raspberry Pi, GPS, Vibration Sensor, L293D Motor Driver, Wi-Fi, Python.