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Originally Posted by Sven7
My ideal future mobility concept would be cars that can sense lanes, speed limits
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Which would lead to instant mayhem on the Belgian roads where speed limits vary wildly and very frequently.
Speed and other signs being left behind is another issue.
Lane marking are often a joke - a very bad joke if you also consider temporary lane markings.
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and other cars well enough to drive themselves for long distances.
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A massive challenge, and I don't see it happening.
Doing it through infrastructure is way too expensive.
Doing it through the cars themselves takes ages to implement.
And it has to be done worldwide, using the same standards so it's totally compatible.
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In the 90's a small stretch of freeway was paved with small magnetic markers that specially equipped Buicks could sense and navigate successfully. If we could do it entirely with optics there would be no added infrastructure cost.
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The Darpa challenge also showed how difficult that was once the lane markings were gone.
At times, it's a challenge for a human, let alone an optical system with a computer to interpret what it thinks it sees.
Then it needs to be able to comply with all international traffic legislation to be able to go abroad.
If you think a 4 way stop is a challenge, you'll be in for a surprise
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As far as propulsion I think a diesel generator giving juice to electric drive motors is the best solution for right now
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Currently, Diesel is an extra problem, not a solution.