Rail Mileposts

The FRA Milepost is a spatial file that originates of multiple sources and contains point locations of mileposts along the FRA's rail network. The mileposts was developed from varies sources and should only be used as a reference file. The railroad lines and their mileposts are privately owned and are subjected of changed based on the rail owner. If used for identifying specific locations, please contact the railroad to verify the mileposts numbers and their locations.

FRA里程标（FRA Milepost）是一款多源空间数据集文件，包含美国联邦铁路管理局（Federal Railroad Administration，简称FRA）铁路网沿线里程标的点位坐标信息。该数据集依托多种数据源构建，仅可作为参考文件使用。铁路线路及其里程标均为私有资产，相关信息会根据铁路所有者的运营调整发生变更。若需将其用于特定点位的识别，请联系对应铁路运营方核实里程标编号及实际点位信息。