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In many countries traffic congestion becomes an adverse problem due to increasing of
private vehicles and slowness of developing of infrastructure especially developing
countries like Sri Lanka. Many researchers have been done to find solutions to this
problem through synchronization or coordination which is to make two or more
junction’s color lights to act as one system by various methods. But the pedestrian itself
also has the color lights in streets. Because o f that it is a huge fact to consider. If more
people pushes push buttons on the pedestrian with are nearby, vehicles have to stop at
each pedestrian and it will ultimately increase the traffic congestion.
In my research I consider the color lights of the pedestrians as separate intersections and
developed a synchronization method which is using a time space graph and produced a
green wave. After that 1 developed a LADDER program to adapt the synchronization to
the traffic controlling unit. From that if a vehicle releases from one color light and if it
travels at a given speed he can pass all the pedestrians without being stopping. In the
other hand it will also reduce the waiting time of the pedestrians to cross the road, which
is current functions as a pedestrian should w
