Darting through intersections throughout downtown Chicago, CTA No. 3189 leads a commuter around the unique L line that traverses much of Chicago's unique downtown atmosphere. The dreary spring tim... (more)

A Blue Line train departs the Rosemont station on its way to O'Hare, passing the Rosemont Yard and Facility.

A venerable Budd 2600 Series el car awaits repairs at the CTA's Rosemont facility in the median of the Kennedy Expressway.

What you see here is still under investigation, the aftermath of two CTA trains colliding head on at about 20mph right at the Harlem Ave station.

A CTA Red Line run to Howard rolls north from the soon to be renovated Wilson stop in the north side of Chicago

A eastbound CTA train heads east down the Kennedy expressway.

A westbound CTA blue line train heads down the Kennedy expressway enroute to O Hare airport.

A southbound Red Line train pokes out of the subway at State & 13th Street on its way to Englewood. Red Line trains normally go to 95th Street along the Dan Ryan, but are currently being rerouted ... (more)

A Red Line train takes a trip around the turn loop at Howard Street.

On a dreary and wet afternoon in the Windy City, a CTA commuter makes its trip around the unique L line.

This marks the 21st year of the Chicago Transit Authority's Holiday Train. Here the train sits at Midway shortly before going to the yard to be tied up for the night.

A third rail shoe arcs as a pink line train exits the loop bound for 54th/Cermak. Tower 18 has since been completely rebuilt with a more modern, streamlined look.

Sparks fly and paint CTA MOW workers in a blue glow as a CTA train passes Tower 18 in downtown Chicago.

With the city in the background, an outbound train rolls westbound toward Kedzie and Forest Park while a freight train slowly crosses over the Eisenhower Expressway on Chicago's westside.