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In order to help contractors and private residents avoid existing utility lines (including gas, electrical, and water lines) when digging, the Chicago Department of Transportation maintains 811...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 26, 2026 at 05:34 PM -
Chicago Department of Transportation (CDOT), Division of Infrastructure Management (DIM), operates Chicago’s “One Call” service—known as “811 Chicago.” Per Municipal Code of Chicago (MCC) §...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 26, 2026 at 05:35 PM
