Oct 26 - 30
Rail Lines
GREEN, PINK LINES
4am Tue, Oct 13 thru 4am Wed, Oct 28
CDOT Work on Lake St Bridge Extended Thru Tuesday Night/Wednesday morning
Green Line trains run in two sections:
- Green Line trains will make all stops between Harlem/Lake and Clinton stations with riders connecting to free bus substitutions between Clinton and Clark/Lake stations.
- Green Line trains will make all stops between Ashland/63rd or Cottage Grove and Loop stations with connection to free bus shuttles between Clark/Lake and Clinton Stations. Trains will make all stops around the entire Loop, following the Orange Line direction and platforms.
Pink Line trains connect to Blue Line-Racine station for connecting service to downtown:
- Pink line trains will make all stops between 54th/Cermak and Polk stations and then connect to Racine Station where riders will transfer to Blue Line trains for continuing service downtown.
- Pink Line riders going to/from Ashland, Morgan, Clinton stations or West Loop transfer to #9/#X9 Ashland buses near either Polk or Racine stations or other north-south bus routes (free transfer when you tap) to reach the Green Line over Lake St.
For more info about this and related work, visit transitchicago.com/lakebridge
Why this work is extended:
CDOT crews require additional time to complete complex structural, electrical, and mechanical alignments on the newly replaced bridge leaf.

BLUE LINE
Oct 26 – 29
Mon to Thu, nightly
10pm to 4am next day
Boarding Change, Delays Between Jefferson Park and Cumberland
How does this affect my trip?
Mon and Wed, nightly, 10pm to 4am next day: Board/exit all trains on the O’Hare-bound side of the platform at the Harlem (O’Hare branch) station.
Tue and Thu, nightly, 10pm to 4am next day: Board/exit all trains on the Forest Park-bound side of the platform at the Harlem (O’Hare branch) station.
Trains in both directions will operate on the same track between Jefferson Park and Cumberland, resulting in minor delays.
Allow extra travel time.
Why is service being changed?
Service is affected due to construction on the Harlem Blue Line station’s bus bridge over the Kennedy Expressway.
Bus Routes
The bus reroutes listed below are short-term reroutes during this week or long-term reroutes beginning this weekend. For a full list of bus reroutes currently in place, please visit the Bus Alerts page.
#29 State Temporary Reroute
Oct 26 – 29
9pm Mon to 5am Fri or completion
How does this affect my trip?
Northbound #29 State buses will operate via State, Madison, Dearborn and Wacker, then resume their normal route on State.
Southbound buses are not affected.
Allow extra travel time.
Why is service being changed?
Buses are rerouted due to construction on State Street between Randolph and Wacker.
#146 Inner Lake Shore/Michigan Express Temporary Reroute
Oct 26 – 30
9pm Mon to 5am Fri or completion
How does this affect my trip?
Northbound #146 Inner Lake Shore/Michigan Express buses will operate via State, Washington, and Michigan to Lake, then continue their normal route on Michigan.
Southbound buses are not affected.
Allow extra travel time.
Why is service being changed?
Buses are rerouted due to construction on State Street between Randolph and Wacker.
Note:
Customer alerts listed here are based on the latest information known as of the time of publishing. This information is subject to change without notice. While we work to provide information as accurate and reliable as possible, changes, additions, and cancellations are sometimes necessary.
For the latest information, including any changes to the information above or information about unplanned events that affect service, please check the Alerts section of the CTA website or see information pertaining to your route in our System Guide.