These photos are available thanks to Art Peterson. He is the curator of the Krambles-Peterson Archive which contains a wealth of historical photos from Chicago transit. Art has generously allowed us to share some of the photos from the archive. When available, he has also provided dates, locations, photographers, and background information on the photos. Thanks so much Art!!
KP0428-CTA #2400-series Body shells at the Boeing-Vertol plant - c1976
KP0429-CTA #2400-series Body shell interior at the Boeing-Vertol plant - c1976
KP0430-CTA #2401-02 With the temporary pantograph on the Boeing-Vertol test track - 04/14/1976
KP0431-CTA #2400-series assembly line at the Boeing-Vertol plant - 10/29/1977
KP0432-CTA #2401 in the C&NW's 40th St Yard - 08/12/1976
KP0433-CTA #2401 Northbound leaving Wilson during testing - 08/28/1976
KP0434-CTA #2401 Northbound at Chicago - 10/02/1976
KP0435-CTA #2401 Southbound at Paulina-Jackson during testing - 10/02/1976
KP0436-CTA #2402 & #4288 during unloading at Skokie. #4288 was used as the "horse" to pull the 2400s off the flatcars - 08/16/1976
KP0437-CTA #2403 Work Motor Capable is Westbound at Lake & Wells (Tower 18) - 04/14/1997
KP0438-CTA #2404 on the Boeing-Vertol Test Track - 07/15/1976
KP0439-CTA #2404 Temporary Pan for testing - 07/15/1976
KP0440-CTA #2408 in Evanston Express Service as viewed from the roof of Armitage Tower as it proceeds Northbound - 06/28/2002
KP0441-CTA #2410 Trailing a Northbound train at Loyola - 07/28/19995
KP0442-CTA #2423 Trailing a Northbound train at Wentworth on the Dan Ryan Line - 06/04/1994
KP0443-CTA #2449 Leading a Westbound train at Lake & Justine - 12/11/2011
KP0444-CTA #2468 Trailing a Northbound train past Wellington - 10/03/1981
KP0445-CTA #2477 Northbound crossing Devon - 06/16/1995
KP0446-CTA #2482 Being used as a Training Aid at the Hawthorne Facility - 03/28/1991
KP0447-CTA #2491 at Skokie. At the time it was outfitted with a trial Chopper Control - 09/19/1979
KP0448-CTA #2506 Southbound near Buena - 12/01/1978
KP0449-CTA #2508 Leading a Southbound train at 54th - 07/25/2013
KP0450-CTA #2535 & #2152 East of Clark & Lake - 08/24/1990
KP0451-CTA #2537 Leading a Southbound train at Tower 12 during Engineering Condition Assessment - 09/23/1991
KP0452-CTA #2538 on a flat car at C&NW's Proviso Yard - 04/11/1978
KP0453-CTA #2544 Leading a Southbound train at Wilson - 09/06/2000
KP0454-CTA #2550 Westbound from Loomis - 10/18/1980
KP0455-CTA #2570 Northbound at Washington & Dearborn - 09/12/1981
KP0456-CTA #2576 Leading an Eastbound train into State & Lake - 02/16/1993
KP0457-CTA #2594 Southbound at Main - 04/12/2011
KP0458-CTA #2600 Departing Eastbound at Des Plaines - 10/24/1981