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Alternatives presented for 12‑to‑Sherwood corridor: underpass, overpass and at‑grade options debated

Tualatin Planning Commission · August 3, 2026
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Summary

Consultants previewed alternatives for the 12‑to‑Sherwood road/rail corridor — from costlier elevated crossings to underpasses with flood‑control implications and lower‑cost at‑grade improvements — and commissioners asked for quantified travel‑time, crash‑reduction and train‑delay data.

The commission received a wide‑ranging presentation on the 12‑to‑Sherwood Road rail crossing study, which examined options including at‑grade improvements, an elevated overpass, and an underpass/tunnel beneath the railroad. Presenters said the alternatives aim to balance downtown access, pedestrian safety and regional through‑traffic; they acknowledged substantial tradeoffs in cost, property impacts and flood management for sub‑rail options.

One commissioner pressed for measurable benefits: "When we talk about hours, I'm thinking minutes at best, if not just seconds," the commissioner said, urging the team to produce turn‑movement and travel‑time comparisons for each alternative. Presenters agreed to analyze train dwell times and signal coordination impacts and to quantify how many seconds or minutes each option would save (or add) for typical trips through downtown.

Public commenters and several commissioners raised concerns about local access loss from elevated ramps and the potential for bottlenecks to shift to neighboring intersections. Presenters said the team will host a virtual open house in August, narrow alternatives, and return mid‑September with a recommended preferred alternative and joint Planning Commission–City Council discussion.