Welcome to the Independent Office of Audits and Investigations

This is the logo for the Independent Office of Audits and Investigations. The IOAI is The Inspector General for the California Department of Transportation

Caltrans Ethics Helpline

The Ethics Helpline is a phone and web-based, multilingual site where employees can anonymously report unethical or questionable behavior. To Report a Concern

Go To: www.caltransethics.com

or call 1(844) CT Ethic / 1(844) 283-8442 

Recently Issued Audits and Reports

Division of Rail and Mass Transportation Procurement Practices

P3010-0637

Internal Audit

Issued: 3/21/2019

Full Report for Division of Rail and Mass Transportation

Nevada County Department of Public Works Engineering Division

Indirect Cost Rate Proposal Audit

Caltrans Contract NO. 77A0044

P1594-0046

Date Issued: 2/6/2019

Full Report for Nevada County Department of Public Works

Butte County Department of Public Works

Indirect Cost Rate Proposal Audit

Caltrans Contract No. 77A0044

P1594-0057, P1594-0058, P1594-0059, P1594-0060, P1594-0061, P1594-0065

Date Issued: 2/6/2019

Full Report for Butte County Department of Public Works

City of Tracy

Incurred Cost Audit

P1575-0056

Date Issued: 2/6/2019

Full Report for City of Tracy