Metropolitan Travel Survey Archive

The Metropolitan Travel Survey Archive (MTSA) includes travel surveys from numerous public agencies across the United States. The Transportation Secure Data Center has archived these surveys to ensure their continued public availability. The survey data have been converted to a standard file format and cleansed to remove personally identifiable information, including any detailed spatial data regarding individual trips.

《都市出行调查档案》（Metropolitan Travel Survey Archive，简称MTSA）汇集了来自美国众多公共机构的出行调查数据。交通安全数据中心将这些调查资料存档，以确保其持续对公众的可用性。调查数据已被转换为标准文件格式，并经过净化处理，以去除个人可识别信息，包括任何有关个人行程的详细空间数据。