N.Y. Pub. Auth. Law § 666-a

§ 666-a. Limitation of liability. Neither the members of the\nauthority, nor any person or persons acting in its behalf, while acting\nwithin the scope of their authority, shall be subject to any personal\nliability resulting from the erection, construction, reconstruction,\nmaintenance or operation of the properties or any of the improvements or\nfrom carrying out any of the powers expressly given in this title.\n