Overview The Metropolitan Transportation Commission (MTC) is committed to ensuring 511 user privacy and security. Specifically: (1) MTC will not provide personally identifiable information (“PII”) from 511 users to any third party without express customer consent, except as described in the Privacy Policy; (2) PII from 511 users will never be provided to advertisers for their use; and (3) MTC will maintain a secure environment for customer PII.