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Sponsor cites studies linking clock changes to crashes and heart attacks during HB 709 hearing

State Planning & Community Affairs · February 3, 2026

Summary

In presenting HB 709, Rep. Wes Cantrell cited academic studies he said show a rise in fatal crashes after spring forward and an increase in heart attacks; members asked for full references and staff research before any ballot question is set.

Representative Wes Cantrell told the committee he had reviewed studies suggesting short‑term health and safety harms from clock changes. He cited a recent University of Colorado finding of an approximately 6% increase in fatal car crashes the week after spring forward and said a University of Michigan study showed a spike in pedestrian collisions after fall back.

Cantrell also said a study shows heart attacks increase by about 24% in the week after spring forward. He framed these findings as part of the rationale for letting voters indicate a statewide preference before the legislature acts. Several members said they wanted the committee to circulate the underlying studies and for staff to prepare clear visuals and talking points so the public and members could evaluate the evidence.

Provenance: topicintro: SEG 158, topfinish: SEG 181

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