Multnomah County transportation officials outline plan to update codes, road rules and design manual

Oct 10, 2025

County transportation staff told the Board of Commissioners they will update administrative procedures, road rules and the Design and Construction Manual to align with state and federal standards, simplify permit processes and improve public access to standards.

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Multnomah County transportation leaders briefed the Board of Commissioners on Tuesday about a multi-stage effort to update the county code’s implementing documents for work in the county right of way, including an administrative procedure (TRS‑01), the road rules and a major revision of the county’s Design and Construction Manual (DCM).

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