December 2021 - Planning underway; November 2021 - Chicago Transit Authority(CTA) to start working on the project soon; February 2020 - T. Y. Lin International Great Lakes won USD38.3mn to provide planning and preliminary engineering services; October 2016 - CTA published its environmental impact statement for the proposed 5.3 mile extension of Red Line from 95th to 130th St. in Riverdale Community Area