I was in a six car pile up on a local A road last night. In rush hour traffic on the outside lane, doing maybe 50 mph when suddenly the traffic ahead came to a standstill.  The car ahead of me made an emergency stop. I followed suit and managed to stop close behind her without making contact. The car behind me couldn't stop anymore and drove into the back of me with some speed, pushing me into the car ahead of me.   There were further shunts further up the queue, involvi