City of Chicago

Utility Dig Notifications (811)

Chicago Department of Transportation (CDOT), Division of Infrastructure Management (DIM), operates Chicago’s “One Call” service—known as “ 811 Chicago .

Example records
Hit Report NoidentifierHit DatetemporalHit Report StatusstatusNotice TypeclassificationRelated Dig Ticket #identifierStreet AddressaddressFacility HitproductFacility OwnerbrandReported By NameroleHit By Namerole
60165744102/24/2025 09:30:00 AMApprovedInitial ticket6016512455837 S SHIELDS AVEGAS SERVICEPeoples Gas*DWMDWM
60164319312/23/2024 09:25:00 AMCompleteUpdate ticket6016421873046 W LOGAN BLVDELECTRIC CABLEComED North*DWMDWM
60151917103/26/2024 07:00:00 AMCanceledInitial ticket3050 S MOE DRWATER MAINCity of Chicago (CoC)RAUSCH CONSTRUCTION, INC.Unknown/Not in system
Use cases

Property Underwriting Hazard Scoring

A commercial property insurer scores addresses under consideration for new policies by checking whether the location or surrounding block has a history of utility strikes, particularly gas line hits, which signal elevated subsurface risk and potential for future claims.

Street AddressFacility HitFacility OwnerHit DateHit Report Status

Contractor Liability Pattern Detection

A surety bond underwriter evaluating a construction firm checks whether the company appears repeatedly as the party responsible for utility hits across multiple dig tickets, which would indicate a pattern of negligent excavation practices before issuing a new bond.

Hit By NameRelated Dig Ticket #Facility HitHit DateStreet Address

Utility Vendor Incident Exposure Monitoring

A financial analyst covering municipal utility operators tracks how frequently a specific utility company's infrastructure is being struck across the city, using incident volume and facility type to assess operational exposure and maintenance liability that may not appear in public filings.

Facility OwnerFacility HitHit DateHit Report StatusStreet Address
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