What is CVD/CID?

To help ensure the security of your credit card transaction, the Maine Turnpike Authority requires that you enter your card's verification number.

The Visa verification number is a 3-digit number printed on the back of your card. It appears after and to the right of your card number.

The MasterCard verification number is a 3-digit number printed on the back of your card. It appears after and to the right of your card number.

The American Express verification number is a 4-digit number printed on the front of your card. It appears above your card number, on either the right or left edge of the card.

The Discover Card verification number is a 3-digit number printed on the back of your card. It appears after and to the right of your card number.