CTA Surface System History presented by the Illinois Railway Museum
Route Number 850
850 - North Bolingbrook-East Loop Express - 04/08/2019
850 - North Bolingbrook-East Loop Express - 06/07/2021
850 - North Bolingbrook-East Loop Express - 08/14/2023
850 - North Bolingbrook-East Loop Express - 12/09/2024
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