I don't know how it is in Texas. 
Cities in the PNW have municipal systems that do that. In Germany they call it 'riding the green wave'. My son (up in WA) gets very agitated when he sees the red lights marching toward him instead of away.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Necessity is the mother of invention, but simplicity is it's favorite aunt --Amish proverb
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