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by jstarfish
1042 days ago
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> Why would you regularly hinder main traffic to allow a left turn if no one is there to make the turn most of the time? Because it doesn't account for sensor failures. They routinely fail to detect motorcycles and would certainly neglect bicycles, so much so that the subject is addressed in the MSF course and they sell magnets and other bolt-on crap to try to increase chances of triggering them. |
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Sensor failures are accounted for.
ex: https://www.abatemn.org/legislation/mn-laws-regs/mn-red-ligh...