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.
Structure Delaware Code
Subchapter XI. Miscellaneous Rules
§ 4182. Unattended motor vehicle.
§ 4183. Parking areas for vehicles being used by persons with disabilities.
§ 4184. Limitations on backing.
§ 4185. Riding on motorcycles.
§ 4186. Obstruction to driver's view of driving mechanism.
§ 4188. Following fire apparatus; driving vehicle over fire hose.
§ 4189. Putting glass or other items on a highway prohibited.
§ 4190. Opening and closing vehicle doors.
§ 4191. Trailers and towed vehicles.