Travel Monitoring Analysis System Stations

The Travel Monitoring Analysis System (TMAS) - Stations dataset was compiled on December 31, 2025 and was published on March 23, 2026 from the Federal Highway Administration (FHWA), and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). Geospatial station data from the FHWA TMAS database contains latitude and longitude data from over 7,000 permanent (temporal data representing each time period) traffic monitoring sites in all 50 states plus DC. Data from these stations are submitted to FHWA every month and is a result of a long standing partnership between FHWA and the state DOTs. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/zxzj-hb56旅行监测分析系统（Travel Monitoring Analysis System，TMAS）站点数据集于2025年12月31日编制完成，并于2026年3月23日由美国联邦公路管理局（Federal Highway Administration，FHWA）正式发布，该数据集隶属于美国运输部（U.S. Department of Transportation，USDOT）下属运输统计局（Bureau of Transportation Statistics，BTS）的国家交通地图集数据库（National Transportation Atlas Database，NTAD）。FHWA TMAS数据库收录的地理空间站点数据，涵盖全美50个州及哥伦比亚特区（DC）的7000余个永久性交通监测站点的经纬度信息，此类站点的时序数据可表征各监测时段的交通运行状态；上述站点的监测数据每月均会报送至FHWA，本数据集是FHWA与各州运输部门长期合作的成果。用户可通过链接https://doi.org/10.21949/zxzj-hb56获取数据字典或其他属性信息来源。