N.J. Stat. § 27:19-32.1
The State of New Jersey does hereby covenant and agree with the holders of any bonds, notes or other evidences of indebtedness issued by any bridge commission that it will not in any manner limit or alter the power and obligation vested by this article in the commission to fix, establish and collect such tolls or facility charges and revise the same from time to time whenever necessary, as will be sufficient to always comply fully with and fulfill the terms of all agreements and covenants made with the holders of such bonds, notes or other evidences of indebtedness, and will not in any manner impair, alter or abrogate any other power or obligation vested by this article in the commission or the rights and remedies of holders of such bonds, notes or other evidences of indebtedness until all such bonds, notes or other evidences of indebtedness, together with interest thereon and all costs and expenses in connection with any actions or proceedings by or on behalf of the holders thereof, are fully paid and discharged or adequate provision made for the payment or discharge thereof.
N.J.S. § 27:19-32.1