The Value of Preemptive Pick-Up Services in Dynamic Vehicle Routing for Last-Mile Delivery: Space-Time Network-Based Formulation and Solution Algorithms

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Request type</td><td class="align_center">Corresponding physical node</td><td class="align_center">Required service duration</td><td class="align_center">Preferred time window</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Delivery</td><td class="align_center">1</td><td class="align_center">3</td><td class="align_center">[0,15]</td></tr><tr><td class="align_left">Delivery</td><td class="align_center">2</td><td class="align_center">2</td><td class="align_center">[0,15]</td></tr><tr><td class="align_left">Delivery</td><td class="align_center">3</td><td class="align_center">2</td><td class="align_center">[0,15]</td></tr><tr><td class="align_left"><i>Pick-up</i></td><td class="align_center"><b>3</b></td><td class="align_center"><b>1</b></td><td class="align_center">[<a href="/journals/jat/2022/5052897/#B6" target="_blank">6</a>, <a href="/journals/jat/2022/5052897/#B7" target="_blank">7</a>]</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic information of requests in the 3-node example.</div>

Journal of Advanced Transportation

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Table 3

Table 3: The Value of Preemptive Pick-Up Services in Dynamic Vehicle Routing for Last-Mile Delivery: Space-Time Network-Based Formulation and Solution Algorithms 

Table 3 | The Value of Preemptive Pick-Up Services in Dynamic Vehicle Routing for Last-Mile Delivery: Space-Time Network-Based Formulation and Solution Algorithms 