N.Y.C. Admin. Code § 6-203: § 6-203 Long Island railroad.

a. No freight or passenger car detached from an engine of the Long Island railroad company shall remain longer than ten minutes in any street. Bituminous coal shall not be used on any engine running upon such railroad. Whenever platforms are placed in the streets for accommodation of passengers, such company shall at its own expense keep the entire street between the platform and the curb in a cleanly and passable condition and this provision shall be construed to apply to each station and each platform wherever erected by such company within the city.

b. Any railroad, or the manager or agent or employee thereof, who shall violate any provision of this section, or who shall permit same to be violated, shall be liable to a penalty of one hundred dollars.