CTA 3383 brings up the rear of a CTA train heading around the loop.

Two CTA trains meet in the loop in downtown Chicago.

Opened in 1897, the Loop 'L' services five routes with three classes of equipment. A Brown line train of 3200 series cars slowly rounds the curve at Lake and Wabash.

CTA Ravenswood(Brown) Line train is northbound on the Loop elevated on Wabash north of Adams.

View from above UIC Blue Line station.