The Green Line route provides rapid transit train service between Harlem in Forest Park, IL and Oak Park, IL to 63rd Street on Chicago's South Side, through downtown via the Lake and Wabash sides of the Loop ‘L’.
The Green Line utilizes the system's oldest segments, dating back to 1892. It extends for 20.7 miles, with 30 stops between Oak Park and Chicago's West Side, to the Loop, and then to the South Side neighborhoods of West Englewood and Woodlawn.
It is the only completely elevated route in the "L" system.
The Green Line utilizes the system's oldest segments, dating back to 1892. It extends for 20.695 miles, with 30 stops between Oak Park/Forest Park and Chicago's West Side, to the Loop, and then to the South Side neighborhoods of West Englewood (Ashland/63rd) and Woodlawn (Cottage Grove/63rd).
Adapted from https://en.wikipedia.org/wiki/Green_Line_(CTA)