KYTC - Appalachian Development Highway System

This feature service represents the Begin/End milepoints of segments on the Appalachian Development Highway. It's data expresses sectional length for cost estimates in miles to the nearest tenth. Designated routes are funded by the Appalachian regional commission. AP stays with route number.本要素服务对应阿巴拉契亚开发高速公路（Appalachian Development Highway）各路段的起点与终点里程桩号。其数据以英里为单位，精确至小数点后一位，用于分段长度的成本估算。指定路线由阿巴拉契亚区域委员会（Appalachian Regional Commission）提供资金支持，路线编号保留AP标识。