What foundational technology is Michael Harrison strongly associated with for early smart crossings?
Answer
In-Roadway Warning Lights (IRWLs)
Michael Harrison, President and CEO of LightGuard Systems, is strongly associated with the foundational technology involving In-Roadway Warning Lights (IRWLs), which are amber light-emitting diodes embedded into the pavement surface.
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The Story of Smart Crosswalk™ In-Roadway Warning Lights (2007)
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