A six-car Lake-Dan Ryan train heads east in Oak Park in July 1970. The 2000-series “L” cars were introduced in 1964 and were retired in the early 1990s. The track in the foreground belongs to the Chicago and North Western, whose embankment the outer end of the Lake Street “L” was moved to in 1962.

A six-car Lake-Dan Ryan train heads east in Oak Park in July 1970. The 2000-series “L” cars were introduced in 1964 and were retired in the early 1990s. The track in the foreground belongs to the Chicago and North Western, whose embankment the outer end of the Lake Street “L” was moved to in 1962.