Crossing Inventory Detailed Summary

This report contains a detailed summary of all open highway-rail crossings, broken out by crossing type, crossing position, and crossing purpose. There are four views of data: by (1) state, (2) county, (3) city, and (4) railroad.本报告收录了所有开放式公铁平交道口（highway-rail crossings）的详尽汇总数据，按道口类型、道口位置及道口用途进行分类统计。该数据集包含四类数据维度：分别为（1）按州划分、（2）按县划分、（3）按城市划分以及（4）按铁路划分。