CTA Surface System History presented by the Illinois Railway Museum
Route Number 507
507 - Lockport-Second Avenue - 01/1978
507 - Lockport - 04/02/1979
507 - Lockport - 08/27/1979
507 - Plainfield - 11/23/1981 (Ed 1R)
507 - Plainfield - 11/23/1981 (Ed 1R2)
507 - Plainfield - 11/22/1982
507 - Plainfield - 08/29/1983
507 - Plainfield - 12/26/1983
507 - Plainfield - 02/10/1986
507 - Plainfield - 03/02/2020
507 - Plainfield - 12/06/2021
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