CTA 4000s head south on Wabash between Jackson and Van Buren as they tour the loop for CTA's 75th Anniversary.

CTA 4000s head west along Van Buren Street running as a loop shuttle for CTA's 75th Anniversary.

CTA 4271 & 4272 head through the S curve at Chicago Ave on their way to the Loop for the 75th Anniversary of the CTA.

The CTA's 75th anniversary birthday train, of 1923 vintage 4000 series cars, glides into the Washington & Wells station in the Loop.

The Chicago Transit Authority turns 75 years old and CTA celebrates the occasion bring out 3 vintage sets of equipment for the public to enjoy. CTA 4271 rolls through the Sedgwick station in the ... (more)

CTA 4000 series cars head south in Chicago's famous loop as we see the 2400 cars and a 3200 series train meet in the background. Very rare to see more than one CTA scheme at a time.

CTA 95th year old Historical Cars made a rare run to celebrate the 125th Year Anniversary of the city's oldest elevated by carrying special guests to an affair at the Garfield station.

The head end crew of CTA Historical Cars give a friendly wave as they wait their scheduled departure at the home board at Clark Jct.

As seen from one of the many parking garages downtown, the CTA 4000s make a run around the loop for CTA's 70th anniversary.

Dwarfed by Trump Tower, the CTA 4000s make another run around the loop.

A restored 4000-series electric train does rounds about Chicago's famous loop.

CTA's beautiful restored 4000 series cars make a run around the Loop with the restored 2400 series trainset right behind. The CTA celebrated its 70th anniversary with a huge celebration that inclu... (more)

The late Roger Puta's slide was scanned and posted by Marty Bernard.

A pair of CTA 4000 series cars head out of the yard and onto the mainline during the 2015 Trolley Pageant at the Illinois Railway Museum

A pair of 4000 Series cars wait at the depot in East Troy for the days first train