An Improved Critical-Edge Model for Finding Optimal Contraflow Links Considering the Influence of Intersections

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:11.24em"/><col style="width:11.92em"/><col style="width:6.14em"/><col style="width:4.88em"/><col style="width:4.87em"/></colgroup><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Optimal conditions</td><td class="align_center" rowspan="2">critical links for expansion</td><td class="align_center" colspan="3">Demand mode</td></tr><tr class="thead"><td class="align_center">Pattern 1</td><td class="align_center">Pattern 2</td><td class="align_center">Pattern 3</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Original network</td><td class="align_center">none</td><td class="align_center">78(minutes)</td><td class="align_center">68</td><td class="align_center">49</td></tr><tr><td class="align_left">Ignoring intersection</td><td class="align_center">(14,16)</td><td class="align_center">73</td><td class="align_center">63</td><td class="align_center">46</td></tr><tr><td class="align_left">Considering intersection</td><td class="align_center">(4,9)</td><td class="align_center">65</td><td class="align_center">60</td><td class="align_center">44</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Simulated evacuation time after capacity expansion of critical links for different demand patterns (minute).</div>

Mathematical Problems in Engineering

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Table 4

Table 4: An Improved Critical-Edge Model for Finding Optimal Contraflow Links Considering the Influence of Intersections 