Three trains are seen as a northbound Purple line train slows for the local station stop at Armitage while a southbound Red line train descends into the subway and another northbound Brown line tr... (more)

Linden Yard at the end of the PUrple line has sent this six car drag to Howard Yard. Perhaps they are cars due for inspection. The switchman will pull the consist into the terminal on track two ... (more)

A Purple line train on the outside track will run all the way to Howard Terminal, then on to Linden, Wilmette, IL. Purple line Evanston rush hour trains are express on the outside tracks. By the ... (more)

This southbound Green line train begins to accelerate after rounding two 45 degree curves on the old Englewood branch.

A northbound Green line train slowly threads its way across the Lake Street bascule bridge as the late June sun illuminates the scene.

A northbound Green line treain crosses on the viaduct carrying both the "L" and the street over the north railroad entrance to Union Station.

A northbound Green line train is on the viaduct that carries the "L" and the street over the entrance to Union Station.

A northbound Green line train moves at restricted speed across the bascule bridge that carries the "L" and the street below across the South Branch of the Chicago River.

At the northwest corner of Chicago's downtown, the Chicago River makes a "Y" splitting into two branches. Here an outbound Green Line train prepares to rumble across the Lake Street bridge that c... (more)

A northbound Green line train exits the famed Chicago Loop "L" at Lake and Wells STs, site of Tower 18 and heads west over Lake Street, the only "L" route in the city entirely built over a street.... (more)

An southbound Green line train carefully threads its way across the Lake ST bridge, just west of the Loop "L".

A southbound Green line crosses the Dan Ryan interstate at 59th Street.