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!!
KP1948-CTA Motor Buses (Flxible 8400s), #8422 on Randolph nearing State as seen from the Randolph-Wabash Station Mezzanine - c08/1969
KP1949-CTA Motor Buses (Flxible 8400s), #8433 leaving the Overhill wye to head eastbound on Touhy - 12/06/1970
KP1950-CTA Motor Buses (Flxible 8400s), #0 Eastbound on Oakton at Darrow - 12/21/1973
KP1951-CTA Motor Buses (Flxible 8400s), #11 at North Park Garage - 12/02/1973
KP1952-CTA Motor Buses (Flxible 8400s), #11 in the Sherman Bus Arcade in downtoen Evanston - 01/06/1974
KP1953-CTA Motor Buses (Flxible 8400s), #8433 in the South Terminal at Jefferson Park - 02/12/1974
KP1954-CTA Motor Buses (Flxible 8400s), #8433 in the South Terminal at Jefferson Park - 02/12/1974
KP1955-CTA Motor Buses (Flxible 8400s), #8440 by the fuel island at in the Forest Glen Yard - c09/1967
KP1956-CTA Motor Buses (Flxible 8400s), #8440 Southbound on Elston at Miltmore - 08/03/1973
KP1957-CTA Motor Buses (Flxible 8400s), #8448 Westbound on Harrison crossing Halsted - 01/04/1973
KP1958-CTA Motor Buses (Flxible 8400s), #8453 Northbound on Overhill approaching Northwest Highway - 10/17/1970
KP1959-CTA Motor Buses (Flxible 8400s), #8457 Westbound on 61st at University - 12/03/1973
KP1960-CTA Motor Buses (Flxible 8400s), #8468 on Adams at Canal - 05/29/1973
KP1961-CTA Motor Buses (Flxible 8400s), #8474 Loading passengers Eastbound on Wacker near Wells - c11/1967
KP1962-CTA Motor Buses (Flxible 8400s), #8477 Eastbound on Harrison near Peoria - 08/06/1973
KP1963-CTA Motor Buses (Flxible 8400s), #8483 Eastbound on Jackson near Desplaines - 08/06/1973
KP1964-CTA Motor Buses (Flxible 8400s), #8485 Eastbound on Harrison at Peoria during OSA charter #80 - 09/09/1973
KP1965-CTA Motor Buses (Flxible 8400s), #8485 Posed Southbound on Columbus near Jackson during OSA charter #80 - 09/09/1973
KP1966-CTA Motor Buses (Flxible 8400s), #8485 Facing east on McFeteridge Drive during OSA charter #80 - 09/09/1973
KP1967-CTA Motor Buses (Flxible 8400s), #8486 Eastbound on Polk near Paulina - 07/26/1973
KP1968-CTA Motor Buses (Flxible 8400s), #8489 loading passengers Northbound on Canal near Jackson. The man facing the camera is then-CTA Operating Manager Charlie Keiser. - c12/1964
KP1969-CTA Motor Buses (Flxible 8499), #8499 at the 95th Street Terminal during OSA charter #50 - 03/15/1970
KP1970-CTA Motor Buses (Flxible 8499), #8499 inside South Shops 11/27/1972
KP1971-CTA Motor Buses (Flxible 8499), #8499 on Clark at Randolph - 08/08/1973
KP1972-CTA Motor Buses (Flxible 8499), #8499 Northbound on Watt at 112th in Pullman during OSA Charter #80 - 09/09/1973
KP1973-CTA Motor Buses (Flxible 8499), #8499 on Forrestville at 111th Place in front of the Hotel Florence in Pullman during OSA Charter #80 - 09/09/1973
KP1974-CTA Motor Buses (Flxible 8499), #8499 on Forrestville at 111th Place in front of the Hotel Florence in Pullman during OSA Charter #80 - 09/09/1973
KP1975-CTA Motor Buses (Flxible 8500s), #8501 on Inner Lake Shore Drive at Schiller - 09/12/1975
KP1976-CTA Motor Buses (Flxible 8500s), #8505 at the 54th & Douglas Terminal during an OSA charter - 03/1965
KP1977-CTA Motor Buses (Flxible 8500s), #8508 Southbound on Cicero at Cornelia - 03/13/1974
KP1978-CTA Motor Buses (Flxible 8500s), #8511 Eastbound on Diversey at Lavergne - 08/21/1972
KP1979-CTA Motor Buses (Flxible 8500s), #8512 Westbound on North Ave at Washtenaw - 06/30/1975
KP1980-CTA Motor Buses (Flxible 8500s), #8515 Southbound on the Inner Drive at Goethe - 10/06/1975
KP1981-CTA Motor Buses (Flxible 8500s), #8528 Southbound on Cicero at Pensacola, havin just departed the north terminal - 03/13/1974
KP1982-CTA Motor Buses (Flxible 8500s), #8538 in the 31st & Komensky loop - 03/05/1975
KP1983-CTA Motor Buses (Flxible 8500s), #8544 at South Shops - 06/08/1975
KP1984-CTA Motor Buses (Flxible 8500s), #8549 in the Diversey & Neva loop during OSA charter #94. Note that it is still in original green and cream colors with a thin cream pinstripe that ran below the standee windows and above the drive's window - 06/01/1975
KP1985-CTA Motor Buses (Flxible 8500s), #8549 Eastbound on Wrightwood at Springfield during OSA charter #94. Note that it is still in original green and cream colors with a thin cream pinstripe that ran below the standee windows and above the front doors - 06/01/1975
KP1986-CTA Motor Buses (Flxible 8500s), #8549 on Logan Blvd. at Francisco during OSA charter #94 - 06/01/1975
KP1987-CTA Motor Buses (Flxible 8500s), #8549 Eastbound on Addison at Campbell during OSA charter #94 - 06/01/1975
KP1988-CTA Motor Buses (Flxible 8500s), #8549 on Achsah Bond Drive at the Planetarium during OSA charter #94 - 06/01/1975
KP1989-CTA Motor Buses (Flxible 8500s), #8549 Westbound on Achsah Bond Drive at the Planetarium during OSA charter #94 - 06/01/1975
KP1990-CTA Motor Buses (Flxible 8500s), #8561 Southbound on Cicero at Warner - 03/13/1974
KP1991-CTA Motor Buses (Flxible 8500s), #8563 at this time was lent to the 77th Garage and was photographed in the Yard there - 04/13/1976
KP1992-CTA Motor Buses (Flxible 8500s), #8563 at this time was lent to the 77th Garage and was photographed in the Yard there - 04/13/1976
KP1993-CTA Motor Buses (Flxible 8500s), #8564 Southbound on the Inner Drive at Scott - 09/12/1975
KP1994-CTA Motor Buses (Flxible 8500s), #8578 Southbound working as a loaner on Western near Wellington/over the north branch of the river - 04/02/1974
KP1995-CTA Motor Buses (Flxible 8500s), #8583 Westbound on Diversey at Lavergne - 08/21/1972
KP1996-CTA Motor Buses (Flxible 8500s), #8586 in the Belmont & Cumberland loop - 12/09/1974
KP1997-CTA Motor Buses (Flxible 8500s), #8593 in the North Avenue Yard - 02/09/1975