Performance Metrics - Transportation - Traffic Lights Out

The Chicago Department of Transportation (CDOT) receives reports from 311’s Customer Service Requests (CSR) system of traffic light outages. This metric tracks the average number of days CDOT takes to complete traffic light repair requests. Total number of requests fulfilled per week is also available by mousing over columns Due to the public safety importance of traffic signals, the target time to respond to traffic light outages is within 1 day.

芝加哥交通部（CDOT）自311客户服务请求（CSR）系统中接收交通信号灯故障的报告。此指标追踪CDOT完成交通信号灯修复请求的平均天数。通过鼠标悬停在“待处理”列上，还可查看每周完成的请求总数。鉴于交通信号灯在公共安全方面的重要性，响应交通信号灯故障的目标时间应控制在1天之内。