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Until we are keeping up the maintenance of less expensive / simpler / conventional roads ... I think more expensive and more complicated roads like this will remain a tiny tiny niche , at best ... and not become wide spread.
If we do ... one way or the other ... reach a point that we keep up with maintenance of the less expensive / simpler / conventional roads ... this might have a chance ... but would still also face the current obstacle of the low efficiency this technology currently has demonstrated.
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