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Circular Letters
The Bureau of Local Roads and Streets (BLRS) issues Circular Letters (CL) to: (1) Update or Issue BLRS Pamphlets, Booklets, Special Provisions, and/or Forms; (2) Provide advisory or general information issued by the Federal Government, other bureaus within IDOT, other state agencies, or other groups/organizations. Navigate to Circular Letters to view a complete listing and more detail.