City officials did not say what the "next generation" system will be in place, however.
Winter break starts Dec. 23 because Christmas is on a Monday this year.
Travis Clay, 53, was arrested Thursday after passing cars in traffic using the bus lane, police said.
After the 7-cent tax was imposed, 20 percent more Chicagoans made a note and brought a tote.
How you can help overwhelmed shelters and keep feral cats from having more litters.
The project also will highlight the neighborhood's people, topography and social mobility.
Parents are encouraged to tag their social media posts with the hashtag #CountOnMe.
A Library of Congress collection includes hundreds of cool turn-of-the-century Chicago photos.
The attorney general blamed undocumented immigrants for Chicago's rising murder rate.
Four people have been killed and seven wounded in shootings since Sunday.
The site, devoted to photos and articles about Chicago's past, has nearly 75,000 followers.
The city does not adequately fund infrastructure repair, Inspector General Joseph Ferguson found.
Commissioner Ginger Evans will complete her review of airport security in two weeks, the mayor said.
In all, 1,620 miles of city streets have been repaved since Mayor Rahm Emanuel took office in 2011.
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