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Staff launches traffic-safety study for LaCresta and Greenfield, proposes pilot traffic-calming measures
Summary
Public Works presented data showing concentrated cut-through traffic on LaCresta/Greenfield; staff proposed 30% designs for an intersection redesign at Highland/LaCresta, interim restriping to widen shoulders for pedestrians and cyclists, pilot traffic circles to replace ineffective stop signs, and enhanced crosswalks at the Big Cottonwood Trail crossing.
Public Works staff described ongoing traffic and safety concerns on LaCresta and Greenfield, where residents have reported high volumes of cut-through traffic. Matt (Public Works) said the department has collected recent counts and found bunched peak flows that suggest learned cut-through behavior from nearby commercial areas.
Staff recommended multiple steps: finish and present 30% designs for the Highland/LaCresta intersection to discourage cut-through traffic; add interim restriping during the next resurfacing to increase shoulder width so pedestrians and bicyclists have more usable space; pilot traffic circles (removing problematic stop signs where appropriate) as a calming measure; and design enhanced crossings at the Big Cottonwood Trail to improve pedestrian safety (rough planning estimates for enhanced crossings ranged roughly $50,000–$75,000 each).
Staff clarified the current funding covers the study and 30% design work but not construction; further federal or local funding would be needed for build-out. Council supported proceeding with design, ordered staff to continue traffic counts to better model origin/destination patterns, and asked staff to return with design options, cost estimates and recommended pilot locations.
