September 30, 2011 2:14 pm Emanuel, Claypool Detail Shelter-Based Bus Tracker Four hundred programmable LED signs are being installed on Chicago Transit Authority bus shelters around the system to provide commuters with up-to-date scheduling and alert information. Local 1:59 Chicago mayor speaks after suspect charged in murder of Officer Luis Huesca 3:02 Kim Foxx details charges against Xavier Tate in the murder of Officer Luis Huesca 9:34 Chicago police release new details in arrest of Xavier Tate 1:12 5 things to know about Tom Thibodeau 2:23 Suspect accused of killing CPD officer Luis Huesca