Traffic Congestion Evaluation and Signal Control Optimization Based on Wireless Sensor Networks: Model and Algorithms

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="573171.fig.0012a" src="https://static.hindawi.com/articles/mpe/volume-2012/573171/figures/573171.fig.0012a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>  Average delay</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="573171.fig.0012b" src="https://static.hindawi.com/articles/mpe/volume-2012/573171/figures/573171.fig.0012b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The maximum queue length </td></tr></table></td></tr></table>

<table>Performance analysis of traffic control based on congestion factor.</table>

Mathematical Problems in Engineering

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Figure 12

Figure 12: Traffic Congestion Evaluation and Signal Control Optimization Based on Wireless Sensor Networks: Model and Algorithms 