Before opening a parked vehicle’s driver-side door into a traffic lane, what must you do?

Correct answer: D – Check mirrors and approaching traffic and make sure opening is safe
Maryland law prohibits opening a vehicle door on a side available to moving traffic unless it is reasonably safe and will not interfere with traffic. Check mirrors and the roadway for vehicles, motorcycles, and bicycles before opening the door. Do not leave the door open longer than necessary.
Source: Md. Code, Transp. § 21-1105 — Opening and Closing Vehicle Doors, Maryland Driver’s Manual — § 3.J, “General Parking Rules”




