Travel speed dataset of "A novel time-dependent electric vehicle pickup and delivery problem with time windows in cold supply chains"

This is the travel speed dataset for the the manuscript entitled “ A novel time-dependent electric vehicle pickup and delivery problem with time windows in cold supply chains ”.本数据集为题为《冷链供应链中带时间窗的新颖时变（time-dependent）电动车辆取送货问题》的学术手稿所用的行驶速度数据集。