The authority may issue toll bridge revenue bonds to finance any or all of the projects, including those specified in Sections 30913, 30914, and 30914.7, if the issuance of the bonds does not adversely affect the minimum amount of toll revenue proceeds designated in Section 30913 and in paragraph (4) of subdivision (a) of, and subdivision (b) of, Section 30914 for rail extension and improvement projects and transit projects to reduce vehicular traffic. A determination of the authority that a specific project or projects shall have no adverse effect will be binding and conclusive in all respects.