Road distances and trip duration matrix for USA counties

This dataset presents a matrix with road distance and travel duration estimates for all trip combinations among USA counties. More details about the methodology are available here. This version was generated considering the road network at the OSRM project in October 2024. Variable dictionary orig: County FIPS code of origin dest: County FIPS code of destiny dist: Road distance of the shortest route, in meters dur: Travel time estimation, in minutes. Files dist_usa.rds : R serialized object dist_usa.parquet : Parquet format dist_usa.csv : CSV file. Colon (, ) field delimiter and point ( . ) as decimal separator uscounties.csv : CSV file with counties names, codes, and other information, from the Simple Maps database.本数据集提供了美国所有县级行政区间各类出行组合的道路距离与出行时长估算矩阵。更多方法学细节可参阅此处。 本版本基于2024年10月的OSRM项目道路网络生成。 变量说明： orig：出发地县级FIPS代码（County FIPS code） dest：目的地县级FIPS代码 dist：最短路径的道路距离，单位为米 dur：出行时长估算值，单位为分钟 数据文件： dist_usa.rds：R语言序列化对象 dist_usa.parquet：Parquet格式文件 dist_usa.csv：以逗号（,）作为字段分隔符、点（.）作为小数分隔符的CSV文件 uscounties.csv：源自Simple Maps数据库的县级行政区名称、代码及其他信息的CSV文件