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How Much Will Autonomous Cars Really Help? (theconversation.com)
An anonymous reader writes: An opinion piece at The Conversation questions the common belief that autonomous vehicles will easily solve a host of problems with road-based travel, including safety and traffic. "Assuming autonomous vehicles were one meter apart and traveling at 100 kilometers per hour (an aim that has been stated as the ultimate hope) this would mean around 25,000 people per hour could be taken down a freeway lane. While impressive, this movement capacity is only half that of a train. But getting to this capacity means 100% of vehicles are under control of a guidance system, with none under independent control. As soon as one car does this, the whole system would slow down considerably, as is seen on freeways now." The writer argues that a better role for autonomous cars might be to take passengers to and from hubs for public transportation.
Actually, this (loosely) has been what I see as the most beneficial use of the technology - giving mobility back to people who can't / shouldn't drive.
My mom still drives, and has her faculties. But, at 78, it's not a given that will continue for too many more years. I dread when we'll have to say "mom, you can't drive anymore... we're worried you're going to hurt someone or yourself". An autonomous car would go a long way in helping her maintain some independence, when she reaches that point.
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I do not really believe that self driving cars will significantly reduce my transportation time. But I expect them to reduce the number of traffic accident. In a traffic jam, drivers can frustrated and bump in each other. I highly doubt self driving car would do that. Also, I do not care as much being in a traffic jam if I am not the one driving the car. Finally, if the car drive itself, then I can take more long distance trips easily: push the buttons, go to sleep, wake up in a different state.
This is the real reason I loved riding public transportation so much when I was living in France. It might not be the fastest way of moving around. But it was definitely the way that was consuming the less of my attention time. Made me arrived at work after 30 minutes of playing the nintendo DS. Much better than after 20 minutes of dealing with traffic congestion.