Cadillac's Super Cruise looks like it's almost ready.
Self Driving Car
Some of the biggest challenges in preparing self-driving cars for the road have little to do with the vehicles themselves. Worn lane markings, shoddy roads and uneven signage standards make it harder for autonomous cars to figure out where they're headed on many American roads. Poor weather and sunlight at low-angles can also make it hard for cars to discern the path ahead.
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