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Annual Summary Report

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Alameda County Transportation Commission, Project Compliance Audit

Issued: 3/2/2026

We audited the costs that the Alameda CTC incurred and the California Department of Transportation (Caltrans) reimbursed related to the 7th Street Grade Separation East and Freight Intelligent Transportation System projects totaling $74,811,226. We also audited the projects' deliverables and benefits.

Alameda County Transportation Commission, Project Compliance Audit
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California Department of Transportation, District 10, Project Compliance Audit

Issued: 6/26/2025

We audited the costs that the California Department of Transportation, District 10 incurred related to the State Route 99 Stanislaus Capital Preventive Maintenance Ramps project totaling $29,344,063. We also audited the project deliverables and benefits.

California Department of Transportation, District 10, Project Compliance Audit
This is a thumbnail of the cover for the performance audit of California Department of Transportation’s Administration of Its Statewide Airspace Program.

Airspace Program (Part II): Audit of the California Department of Transportation’s Administration of Its Statewide Airspace Program

Issued: 2/12/2026

We audited the California Department of Transportation’s administration of its statewide Airspace Program. This report is the second in a series of reports regarding the department’s administration of properties it controls, known as airspaces, located underneath state highways.

Airspace Program (Part II)
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City of Artesia, Project Compliance Audit

Issued: 5/13/2025

We audited the costs that the City of Artesia incurred related to one project totaling $1,738,472, which were reimbursed by the California Department of Transportation. We also audited the project deliverables and benefits.

City of Artesia, Project Compliance Audit