The user must install app and set the fencing of the traffic areas.When the person comes into that area the phone vibrates to remind to turn on the app.From there every thing is automated.The mobile communicates with other mobile in which the app is installed or whose bluetooth is enabled.Gets the GPS coordinates and calculate relative distance.Since the sensitivity of gps is 1mtr the RSSI of bluetooth we can get precision.If the limit crosses threshold then phone vibrates .The vehicle bluetooth are eliminated by using Device class information to eliminate false triggers.

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