Originally Posted by
Jim from Boston
For me in such a situation a rear view mirror allows for nearly simultaneous assessment of the car behind and the road ahead in order to plan, with a decision in mind if the situation warrants an escape. ↓↓↓↓
So, how far away is the car by the time you can tell it's going to strike you? This is a serious question, as I've never used a mirror on a bicycle. I've used larger mirrors on motorcycles and for me, I wouldn't be able to tell until the other vehicle was literally feet away.