Every such contract shall be enforceable by the transportation district with which the contract is made, as provided under the laws of the Commonwealth, and, if any such contract is entered into with an agency or is relied upon in a contract between a commission and any such agency, the agency also shall have the right to enforce the contract. The venue for actions on any contract between a transportation district and a component government shall be as specified in subdivision 10 of § 8.01-261. Venue in all other matters arising hereunder shall be as provided by law.