Del. Code tit. 17 § 419
Any holder of bonds issued under this chapter or any of the coupons attached thereto and the trustee under the trust indenture, if any, except to the extent the rights given by this chapter may be restricted by resolution passed before the issuance of the bonds or by the trust indenture, may, either at law or in equity by suit, action, mandamus or other proceedings, protect and enforce any and all rights under the laws of the United States or of the state or granted under this chapter or under such resolution or trust indenture, and may enforce and compel performance of all duties required by this chapter or by such resolution or trust indenture, to be performed by the Department or any officer thereof, including the fixing, charging and collecting of tolls for the use of any toll crossing operated by the Department.
Such resolution or trust indenture may contain provisions under which any holder of such bonds or the trustee under such trust indenture shall be entitled to the appointment of a receiver in the event of a default, and any receiver so appointed shall have and be entitled to exercise all the rights and powers of the Department with respect to the crossings operated or maintained by the Department and all of the appropriate rights and powers of a receiver in equity.
17 Del. C. § 419