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ATAC members press staff for traffic counts, crash types and rates before selecting RSA sites
Summary
Committee members, led by a bicycling representative, said crash totals alone aren’t sufficient and asked staff to provide traffic counts, pedestrian and bicyclist counts, crash‑type breakdowns, and remedial cost estimates before finalizing RSA site selection.
During discussion of nine candidate locations for Road Safety Audits, committee members repeatedly flagged data gaps that complicate fair comparison across corridors.
Jim Wilcox, the bicycle representative, said the packet lacked the traffic‑count data needed to compute crash rates per vehicle miles travelled: "we don't have the vehicle counts for how much traffic is on these particular roadways. And that means we don't have...a rate per vehicle traveled miles in that particular area." He also asked for clarity on crash type (for example, whether a 'bicycle involved' case was a fall or a vehicle‑involved collision) and for remedial‑cost estimates so the committee could judge feasibility.
Staff acknowledged the traffic counts exist but were not included in the presentation and agreed to add them for the August meeting. Committee members also asked staff to supply pedestrian and bicyclist counts and crash concentration mapping so that the ATAC can compare corridors by crash rate and identify specific segments or intersections for an RSA rather than treating very long corridors as a single study area.
