I see a lot of talk of fairness to justify the urge to merge early. This is ironic since zipper merge is the fairest of all, if you can only get everybody to ad

I see a lot of talk of fairness to justify the urge to merge early. This is ironic since zipper merge is the fairest of all, if you can only get everybody to adhere to it. Nobody can get ahead if both lanes are full and moving at the same speed.