The CTA Holiday Train lays over at Midway for a few min before making another trip into the city.

Red Line train to 95th will make the loop around just north of Howard and then will head south to the other end of the Red Line at 95th and Dan Ryan on the south side of Chicago.

An outbound Red Line train to Howard passes and inbound Purple Line Express train to the Loop at Sheridan Road on Chicago's north side.

A CTA train heads around the loop as viewed from several stories above the tracks.

A Blue Line train, bound for the loop, climbs out of the Logan Square subway.

It's the busiest summer holiday weekeknd, the 4th of July and Taste of Chicago is downtown in Grant Park, thus this SB Blue Line train has eight cars as it roars at its maximum speed of 55 MPH dow... (more)

This WB Pink line train has just turned off the Lake ST "L" which it shares with the Green line. The train first climbed a slight grade, then slipped to the right, and now begins to descend. The u... (more)

A WB Pink line train accelerates on the latest style in elevated construction that replaced the 1894 era steel "L" on a stretch of track known locally as "the Connector." The train is inbetween w... (more)

A WB Pink line train winds around the Wabash-Lake corner of the famed Chicago Loop "L", but since this curve is offset, it is not the sharpest on the Loop.

The Loop is distinctively Chicago "L", although the name probably predates the "L" and goes back to the cable car loops downtown. A Pink line train brakes for Adams station on the Wabash side of ... (more)

A NB Red Line train glides around brand new trackwork while entering the Sheridan RD station on the 4 track north side main. The two inside tracks provide local service at this station. Trains o... (more)

A Red Line train slows to a stop at Sheridan Road, a station sandwiched in between two 90 degree turns that date back to pre 1900 when this elevated was constructed. The right of way was shifting ... (more)

Under heavy lake effect snow, the CTA Holiday train is running the Skokie Swift, seen here passing under one of the old North Shore catenary supports that dot this line. Instead of the normal four... (more)

An outbound Blue Line run heads towards the portal that will carry it from the center to the south side of the Eisenhower expressway.

A Pink Line train heads toward its final stop at 54th and Cermak.