Day by day increasing
population increases traffic and
vehicles also which causes problems in transportation and management of traffic. Mainly traffic controls at the crossings required smart traffic signaling system which have high
degree of flexibility according to the flow of traffic in auxiliary roads, on the crossing some roads have a high
density of traffic required rapid
release of traffic to maintain the
smooth flow of traffic on busy roads.
In this project we develop a system which
sense the traffic density on the
particular road and change the red signal duration accordingly. Here we use IR sensors fitted along the
road side to detect the presence of vehicles and change the value of resistance
to change the frequency of the oscillator built around the timer IC which feed
to the counter and change the cycle rate to control the red/green signals
according to the traffic density.
In this system IR sensors are used
to measure the density of the vehicles which are fixed within a fixed
distance. All the sensors are interfaced
with the microcontroller which in turn controls the traffic signal system
according to density detected by the sensors.If the traffic density is high on
particular side more priority is given for that side. The sensors continuously keep sensing density
on all sides and the green signal is given to the side on priority basis, where
the sensors detect high density. The
side with next priority level follows the first priority level.
By using this system traffic can be
cleared without irregularities and time delays even though there is no traffic
on the other side can be avoided.
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