311 Service Requests

311 Service Requests received by the City of Chicago. This dataset includes requests created after the launch of the new 311 system on 12/18/2018 and some records from the previous system, indicated in the LEGACY_RECORD column.

For purposes of all columns indicating geographic areas or locations, please note that requests of the type 311 INFORMATION ONLY CALL often are entered with the address of the City's 311 Center.

本数据集为芝加哥市接收的311服务请求（311 Service Requests）数据集合，涵盖2018年12月18日新版311系统上线后生成的全部服务请求，以及部分源自旧系统的记录，此类旧系统记录可通过LEGACY_RECORD列进行标识。针对所有用于表示地理区域或位置的列，请留意：类型为311 INFORMATION ONLY CALL的服务请求，通常会被填报为芝加哥市311中心的地址。