UDOT study recommends keeping current SR‑143 speed limits; offers cost‑share for feedback signs

Apr 16, 2026

A UDOT speed study for SR‑143 found most drivers near the 85th‑percentile travel 2–6 mph over posted limits and recommended retaining current posted speeds; UDOT offered 50% cost‑share for driver‑feedback signs (estimated $5,000–$6,000 each).

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UDOT Traffic Operations Engineer Cody Marchant presented speed‑study results for SR‑143 through Parowan. The initial analysis considered raising an east‑end 35 mph zone to 40 mph to combine speed zones but staff ultimately recommended retaining current limits because the transition from canyon speeds was appropriate and compliance was relatively strong in town.

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