A new bill could make speed limits a thing of the past on rural highways in Arizona for non-commercial traffic during daylight hours.
Rep. Nick Kupper says having no maximum speed could make roads safer. But Joseph Young with the Insurance Institute of Highway Safety says a 25-year national study showed even modest speed-limit increases have big impacts.
"On those higher speed roads a 5 mph increase on the speed limits associated with about an 8% increase in the fatality rate on those roads. The evidence is pretty clear that there's definitely a safety drawback when states do raise those speed limits," Young said.
Kupper’s bill would require ADOT to conduct a yearlong pilot program on a stretch of Interstate 8 between Yuma and Casa Grande.
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