New York City Transit's Department of Subways, with over 6,400 subway cars and 472 stations, employs 29,000 individuals who work together 24/7, 365 days a year, to move millions of customers safely to their destinations. These employees operate trains, maintain railcars, assist customers in stations, make critical right-of-way and electronic repairs, and provide technical and analytic support to deliver timely and reliable customer services. The Operations Support Division within the Department of Subways provides analytical and management support to the operating divisions. The division's Performance Analysis Unit (PAU) is an analytical team responsible for owning and interpreting data and analytics for both leadership and operating personnel on subway network service performance.