The Metra Electric District is an electrified commuter rail line owned and operated by Metra which connects Millennium Station (formerly Randolph Street Station), in downtown Chicago, with the city's southern suburbs. As of 2014, it is the second busiest of Metra's 11 lines, after the BNSF, with nearly 9.5 million annual riders. While Metra does not explicitly refer to any of its lines by color, the timetable accents for the Metra Electric District are printed in bright "Panama orange" to reflect the line's origins with the Illinois Central Railroad (IC) and its Panama Limited passenger train. It is the only Metra line that is solely a commuter route, which means no freight trains operate on this route. Instead, freight trains operate on tracks that are adjacent to the route. Its suburban