CTA Red and Blue Line commuters can expect delays this week due to track maintenance work, officials said.
Southbound and northbound trains on the Red Line will be running on the same track from 10:30 p.m. to 4:30 a.m. until early Friday morning between the 95th Street and 79th Street stations, according to the CTA Website. Riders can board and exit trains on the southbound side of the 87th and 95th street platforms.
On the Blue Line, trains will operate on the same track from 10 p.m. to 4 a.m. between the Jefferson Park and Harlem Avenue stations, ending early Wednesday morning, officials said.
Passengers are urged to allow extra travel time.