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Road traffic control system

  • US 8,773,283 B2
  • Filed: 04/13/2012
  • Issued: 07/08/2014
  • Est. Priority Date: 08/25/2011
  • Status: Expired due to Fees
First Claim
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1. A road traffic control system comprising:

  • three traffic lights installed above one lane at a road intersection;

    a plurality of indicators installed above another lane at the road intersection;

    a light controller electrically connected to the traffic lights and the plurality of indicators, wherein the light controller synchronously controls the traffic lights and the plurality of indicators to emit the same color of light; and

    a plurality of alarms positioned on a guardrail and electrically connected to the light controller;

    wherein when the traffic lights are changed to yellow or red color, the light controller sends a command signal to the alarms to activate and enable the alarms to output warning signals to alert the driver to slow down or stop in time.

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