Three of Chicago’s El lines — the Red, Yellow, and Purple — converge at Howard Station on the city’s Far North Side. It’s full of siding to store out-of-service trains, loops to move trains from one track to another, tunnels to get trains past each other, and other necessities to keep connections open and trains moving. On the left side just above the center, you can see a six-car Purple Line train approaching the station platforms that are on the lower right, and an eight-car Red Line train has just left the right platform, where it discharged northbound passengers, to loop around so it can go back into southbound service on the other platform.

December 16, 2025. OnePlus 12 cell phone, 13.3mm focal length (35mm equivalent: 140mm), f/2.6, 1/350, ISO 50.