Giving insight into the TMC enables route planning without additional infrastructure. Just knowing how slow to go to the next light saves gas.
Putting the burden onto the traffic lights themselves would require an autonomous intersection, something like an autonomous vehicle. Vision and AI to cover all the edge cases.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.You can't be wise and in love at the same time. -- Bob Dylan
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