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Bluffdale hears feasibility study for widening 146 South, roundabout studied at 1690 West
Summary
Consultants presented an environmental feasibility study for 146 South from Redwood Road to Spring View Pkwy that recommends lane additions, new bike/sidewalk facilities, and evaluates a roundabout versus signal at 1690 West; the study found no noise‑wall requirement under FHWA criteria but flags property acquisitions and permitting as constraints.
Consultants from WCG presented Bluffdale’s draft environmental feasibility study for improvements along 146 South on Nov. 12, describing a concept that adds a lane in each direction, targeted turn lanes at key intersections, and separated active‑transportation facilities (curb‑protected bike lanes and sidewalks). The study covers the corridor from Redwood Road to Spring View Parkway and models growth to 2050.
Jeremy Searle, the consultant leading the study, said traffic volumes along the corridor now range from about 11,000–13,000 vehicles per day and could rise to about 17,000–18,000 by 2050 without improvements. The study identified several intersections expected to fall to poor levels of service by 2050, focusing on 1690 West and 1300 West as priority locations for mitigation.
At 1690 West, modeling compared a two‑lane roundabout (two lanes east–west, single lane north–south) against a…
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