N.Y. Vehicle & Traffic Law § 1214: Opening and closing vehicle doors

§ 1214. Opening and closing vehicle doors. No person shall open the

door of a motor vehicle on the side available to moving traffic unless

and until it is reasonably safe to do so, and can be done without

interfering with the movement of other traffic, nor shall any person

leave a door open on the side of a vehicle available to moving traffic

for a period of time longer than necessary to load or unload passengers.