MTA rules of conduct including filming and photography

Section 1050.9 of MTA rules 

under: Restricted areas and activities.

3. Photography, filming or video recording in any facility or conveyance is permitted except that ancillary equipment such as lights, reflectors or tripods may not be used. Members of the press holding valid identification issued by the New York City Police Department are hereby authorized to use necessary ancillary equipment. All photographic activity must be conducted in accordance with the provisions of this Part.

link to full document of all mta rules

 http://www.mta.info/nyct/rules/rules.htm