[8] After the abolishment of the three-man board in 1876, the department was composed of the bureaus of water, sewerage, streets, special assessment, engineering, and maps.

Investigation into the incident revealed that the tunnel damage was a result of new pilings installed near the Kinzie Street Bridge, which created a slow leak that had been discovered in January of that year.

Citing a lack of immediate response to the issue, Mayor Richard M. Daley requested Acting Commissioner John N. LaPlante for a letter of resignation after the tunnel was patched and the flood contained.

Upon LaPlante's resignation, Gery J. Chico, Mayor Daley's Deputy Chief of Staff, took control of the Department of Transportation eventually handing the reins to a newly appointed Commissioner, Joseph Boyle.

The program was billed as a way for home-owners to evenly split the cost with the city to replace public sidewalks in front of their homes.

[30] In late 2010, executives from Redflex Holdings, the contractor responsible for providing red-light enforcement cameras to CDOT, were implicated in a bribery scandal.

In February 2013, Chicago's Department of Procurement Services notified Redflex they would not be considered for an upcoming red light camera RFP.