Rosemont, formerly River Road, is a Chicago "L" station at the intersection of River Road and I-190 in the suburb of Rosemont, Illinois. It is located in the median of I-190 with one island platform serving two tracks, 16 miles (26 km) northwest of The Loop. Trains are scheduled to depart from Rosemont every 2–7 minutes during rush-hour periods, and take about 36 minutes to travel to the Loop. The station is 7 blocks east and 2 blocks north of O'Hare International Airport. Rosemont is the busiest station outside the city limits of Chicago, with 2,090,977 passenger entries in 2014.

The Chicago "L" is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois. Operated by the Chicago Transit Authority (CTA), it is the fourth-largest rapid transit system in the United States in terms of total route length, at 102.8 miles (165.4 km) long as of 2014, and the third-busiest rapid transit system in the United States. In 2016, the "L" had 1,492 rail cars, eight different routes, and 145 train stations. In 2023, the system had 117,447,000 rides, or about 373,800 per weekday in the fourth quarter of 2023.