The Risk-Mitigation Value of the Transportation Worker Identification Credential: A Comprehensive Security Assessment of the TWIC Program

The Transportation Worker Identification Credential (TWIC) is designed to enhance security at U.S. ports. It demonstrates that the holder has passed a Transportation Security Administration security threat assessment and is required of anyone with unescorted access to a secure area at a regulated facility. This report provides the findings from an assessment of the TWIC program, along with the assessors' recommendations.