An FPGA based vehicles density dependent intelligent traffic light system

Abstract EN

In this pape r, a ve hicles density dependent intelligent traffic light sy stem based on FPGA has be en built.

The intelligent traffic light sy stem counts the number of available vehicles in the sides of the traffic intersection via the sensors placed on the ends of the road.

Subsequently , it de termines passage time required for eac h side, depending on the density of existing vehicles in it, in order to pass the largest number of vehicles in the inte rsection during a c ertain time .

The proposed sy stem is built using VHDL, simulated using Xilinx ISE 9.2i package, and implemente d using Spartan-3A XC3S700A FPGA kit.

Impleme ntation and Simulation behavioral model results show that propose d sy stem fits the specified functional requireme nts, and finds a solution to overcome the problem of traffic jam at intersections.