SpeedHumps

Speed humps mapped by City of Charleston Fire Marshall Division and Traffic and Transportation Department. New locations are added as permits are approved.本数据集收录由查尔斯顿市消防总监部门与交通与运输局测绘的减速带（Speed humps）位置数据。每当相关许可获批，新增减速带的位置将被及时补充至本数据集。