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Committee recommends level‑2 calming, denies speed humps on East Walnut Creek Parkway for now
Summary
After reviewing collision, volume and speed data, staff and the traffic committee concluded the segment of East Walnut Creek Parkway does not yet qualify for speed humps; the committee approved a suite of visibility, signage and pavement‑marking upgrades as level‑2 calming measures, with a possible reapplication for speed humps if issues persist.
City staff told the Traffic Committee that East Walnut Creek Parkway between South Glendora Avenue and South Lark Ellen Avenue does not meet the city’s speed‑hump criteria at this time, but a set of level‑2 traffic calming measures is recommended and was approved, 3–0.
Staff reported five collisions on the segment during a Jan 2022–July 2025 review and cited ADT counts taken Dec. 7, 2022, of about 1,899 vehicles per day (933 eastbound, 966 westbound). A 24‑hour speed survey from the same date returned an 80th‑percentile speed of 35 mph where the posted limit is 25 mph. Because this was the first review of the corridor for speed humps and given policy thresholds, staff recommended implementing level‑2 measures first; if speeding persists, residents may submit a speed‑hump petition and the city would re‑evaluate.
The committee approved replacing faded stop signs and stop‑ahead warning signs at Walnut Creek Parkway and Pima Avenue, replacing a damaged stop sign at Walnut Creek Parkway and Lark Ellen Avenue, refreshing faded 25‑mph speed limit signs and radar plaques, installing 25‑mph pavement legends, adding all‑way plaques and red reflective strips to three stop signs at Walnut Creek Parkway and Pima, and installing missing stop‑ahead pavement legends on the south side of Walnut Creek Parkway. Committee members raised possible future options — flashing stop signs, rumble strips or wider medians — and staff noted rumble strips would require neighbor approval because of noise impacts and that new counts might be needed to evaluate future steps.
The motion to implement the level‑2 measures passed unanimously, 3–0. Staff said the upgrades are intended to increase visibility and driver awareness and that the corridor could be revisited for level‑3 treatments if the measures do not reduce speeds or collisions.
