By Lance Whitney Robo-cars can run into trouble driving down streets with faded lane markers, missing signs and other side effects of our aging roadways.

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Source:: http://cnet.com.feedsportal.com/c/34938/f/645093/s/4ea2f1b5/sc/13/l/0L0Scnet0N0Cnews0Cself0Edriving0Ecars0Eversus0Ecrappy0Eus0Eroads0C0Tftag0FCAD590Aa51e/story01.htm