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County engineering presents speed study suggesting 45 mph limit on 3800; commissioners ask for legal review
Summary
A county speed study on 3800 showed 85th-percentile speeds supporting a 45 mph limit (currently 35 mph in portions). Commissioners agreed to continue traffic counts and obtain an engineer-stamped study and legal input before changing enforceable speed limits.
County engineering reported results of a speed study on a segment of 3800 that, according to staff, shows 85th-percentile speeds consistent with a 45 mph speed limit rather than the current 35 mph designation in parts of the corridor.
"Based on my study, it said that, yes, we should increase the speed to 45," the engineer said, noting that 80% of cars exceeded the posted 35-mph limit at the counter location. Staff explained that for a speed limit change to be enforceable the county must complete due diligence: a stamped speed study, engineer review and LHTAC (or state) criteria review. Commissioners directed staff to continue traffic counts, explore secure mounting for counters, and obtain legal review before formally changing any posted limits.
Commissioners emphasized that the school-zone posted speeds (25 mph during specified hours) would remain in effect and that any change outside the school zone would not alter school-hour protections.
