Va. Code Ann. § 33.2-612

Except for those persons exempted from tolls under § 33.2-613, it shall be unlawful for the Department or any employee thereof to give or permit free passage over any toll bridge, tunnel, or ferry that has been secured through the issuance of revenue bonds and which bonds are payable from the revenues of such project. Every vehicle shall pay the same toll as others similarly situated. Except as provided in § 33.2-613, the provisions of this section shall apply to vehicles and employees of the state government, local governments, or other political subdivisions and to vehicles and persons of all other categories and descriptions, public, private, eleemosynary, or otherwise.