N.Y. Transp. Corp. Law § 84
Whenever it shall be necessary for any line of pipe of any such corporation to cross any railroad or highway, such line of pipe shall be laid under such railroad or highway, with the least injury practicable, and unless such right to cross shall be acquired by agreement, compensation shall be made to the railroad corporation, or in case of highways, to the public, in the manner prescribed in the eminent domain procedure law, but no exclusive right, title or use shall be so acquired against a railroad corporation, nor against the public in a highway. No such corporation shall take or use any lands, fixtures or structures of any railroad corporation, or acquire pursuant to the provisions of the eminent domain procedure law, any right or title to the lands of any such corporation, except for the purpose of a direct crossing.
N.Y. Transp. Corp. Law § 84