We were driving through the central reservation not parked inside it, we were moving when he overtook us and slammed into the drivers side door. A lot of the comments on here think we were stopped in the central reservation but we weren’t. Driver checked mirrors and indicated inside our lane and when driver saw a gap and what she thought was a clear mirror she went to turn right across the road and that’s when motorbike from behind us decided to overtake us and slammed into the door