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Resident presents speed‑hump study showing modest speed reductions but little change in traffic volume
Summary
Frank Gallagher told the council traffic counts near newly installed speed humps remained similar to prior counts while sampled speeds dropped into the low 20s mph in short surveys; he said the data "indicates that they are somewhat effective."
A Sweet Home resident presented short‑term traffic and speed observations to the council about recently installed speed humps.
Frank Gallagher told the council he collected volume and speed samples at times before and after the speed humps were installed. For a measured morning period on Aug. 11, Gallagher reported an hourly average of 72 vehicles and a daily average of about 1,735 vehicles. When school started, a separate sample showed an hourly average of 72 and daily 1,728. He contrasted that with an April sample that showed an hourly average of 75 and a daily average of 1,811, concluding the differences in volume were small.
Gallagher described speed samples taken the day after installation with recorded low speeds as low as 17 mph and highs near the mid‑40s in some instances; in a 45‑minute October survey of 96 samples he reported a median speed near 21 mph and a highest recorded speed of 31 mph, with nine vehicles at 25 mph and above during that period. In a more recent sample he reported lowest speeds of 13–14 mph and a highest of 31 mph. "The data indicates that they are somewhat effective," he said, while noting occasional drivers "skipping over the humps" and speeding shortly after observers left.
Council thanked Gallagher for the data and said staff would review it. Gallagher offered to provide the handouts used for his presentation in the packet in the future.
No formal action was taken on the speed‑hump issue at the meeting.
