Section 14-174 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, nor shall any person leave a door open on the side of a motor vehicle available to moving traffic for a period of time longer than necessary to load or unload passengers.

(Code 1964, § 12.360)
     State law reference(s)--Similar provisions, RSMo. § 300.340.