Chicago "L" 2014, the "L" had an average of 752,734 passenger boardings each weekday, 486,267 each Saturday, and 359,777 each Sunday. In a 2005 poll, "Chicago Tribune" readers voted it one of the "seven wonders of Chicago", behind the lakefront and Wrigley Field, but ahead of Willis Tower (formerly the Sears Tower), the Water Tower, the University of Chicago, and the Museum of Science and Industry. The first "L", the Chicago and South Side Rapid Transit Railroad, began revenue service on June 6, 1892, when a steam locomotive pulling four wooden coaches, carrying more than a couple of dozen people, departed the
Vista Tower (Chicago) Vista Tower (Chicago) Construction started in August 2016 with expected completion in 2020. Upon completion, it will become the city's third-tallest building at . Designed by a team led by architect Jeanne Gang, Vista will supplant the nearby Aqua skyscraper (also designed by a team led by Jean Gang) as the tallest structure in the world designed by a woman. This will make Chicago home to the two tallest structures designed by a woman. Vista Tower is a joint project of Magellan Development Group and Wanda Group. The original estimated cost of construction was $900 million. The building will have