There's a mention of it in the WSJ article today [1], apparently they allow other cars to do the left, but not their own. [1] http://www.wsj.com/articles/insid

There's a mention of it in the WSJ article today [1], apparently they allow other cars to do the left, but not their own. [1] http://www.wsj.com/articles/inside-ubers-new-self-driving-cars-in-pittsburgh-1473847202 http://www.wsj.com/articles/inside-ubers-new-self-driving-ca...