Thank you for the reply !
Car A says they were there for maybe 2-3 minutes with emergency lights on and were in the process of calling with phone in hand and then was hit from behind. Driver of Car A said that Car A could not move at all. Not sure of it was a driveshaft, transmission or other...
Is either drive more at fault in this situation ?
Car A broke down in the middle lane of the expressway ( speed limit 55mph) and could not move and had emergency lights on. It was early evening daylight. No hills or visual obstructions. No cars were between Car A and Car B. Car B ran into Car A...