Updated schedules are in effect for all 'L' lines. Visit transitchicago.com for schedules.
Details...
Brown Line trains are running with residual delays following an earlier raised bridge at the Chicago River, downtown. Service is resuming, allow extra time.
Details...
Shuttle buses replace Green Line service between California and Ashland.
Details... 
Affects arrival estimate quality
Red and Purple line trains share tracks btwn Thorndale and Belmont. Purple Line Express trains continue to make only express stops between Howard and Belmont.
Details... Affects arrival estimate quality
At Belmont station, Kimball-bound Brown Line trains resume stopping on outer track; Linden-bound Purple Line Exp trains continue to board/exit on inner track.
Details...
Board/exit Loop-bound Purple Line Express trains on the Red Line side of the 95th- and Loop-bound platform at the Belmont station.
Details...
West platform at Wilson is temporarily closed. Board/exit all trains on the east platform.
Details...
Loop-bound Purple Line Express trains will stop at Addison for all weekday Cubs night games and Wrigley Field concerts.
Details...
An elevator needed to access the Harlem- bound platform at Kedzie (Green Line) is temporarily out-of-service.
Details...
The elevator needed to access the Harlem- and 54th-bound platform elevator at Ashland (Green, Pink Lines) is temporarily out-of-service.
Details...
Service at Outer Loop platform
Service at Inner Loop platform