Metra (reporting mark METX) is a commuter rail system in the Chicago metropolitan area serving the city of Chicago and surrounding suburbs via the Union Pacific and BNSF Railways. The system operates 242 stations on 11 rail lines . It is the fourth busiest commuter rail system in the United States by ridership and the largest and busiest commuter rail system outside the New York City metropolitan area. There were 83.4 million passenger rides in 2014, up 1.3% from the previous year. The estimated busiest day for Metra ridership occurred on November 4, 2016—the day of the Chicago Cubs 2016 World Series victory rally.