Traffic Flow Forecasting for Road Tunnel Using PSO-GPR Algorithm with Combined Kernel Function

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Day category</td><td class="align_center" colspan="2">Weather </td><td class="align_center" colspan="2">Season</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Weekdays</td><td class="align_center">1</td><td class="align_center">Sunny</td><td class="align_center">1</td><td class="align_center">Spring</td><td class="align_center">1</td></tr><tr><td class="align_left" rowspan="2">Weekends</td><td class="align_center" rowspan="2">2</td><td class="align_center">Rainy</td><td class="align_center">2</td><td class="align_center">Summer</td><td class="align_center">2</td></tr><tr><td class="align_center">Foggy</td><td class="align_center">3</td><td class="align_center">Autumn</td><td class="align_center">3</td></tr><tr><td class="align_left">Holidays</td><td class="align_center">3</td><td class="align_center">Snow</td><td class="align_center">4</td><td class="align_center">Winter</td><td class="align_center">4</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Quantitative standard of influential factors of tunnel traffic flow.

Mathematical Problems in Engineering

tab2

Table 2

Table 2: Traffic Flow Forecasting for Road Tunnel Using PSO-GPR Algorithm with Combined Kernel Function 