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Planning commission approves Clackamas County Red Soils campus master plan with phased traffic mitigation and payment schedule

Oregon City Planning Commission · October 29, 2025

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Summary

The Planning Commission approved Clackamas County's Red Soils campus master plan (CP 05‑01 / CU 05‑03) with a three‑phase transportation mitigation schedule. The county agreed to pay proportionate shares of intersection improvements; the commission required county payment for state highway impacts by Nov. 1, 2007 or before issuance of occupancy.

The Oregon City Planning Commission on March 27 approved Clackamas County's Red Soils campus concept master plan and conditional use permit, attaching a three‑phase traffic mitigation program and negotiated conditions addressing timing and amounts of county contributions to local and state highway improvements.

Key finding: staff and the county used a phased traffic analysis to apportion the project's traffic impacts across intersections in 2010 (phase 1), 2015 (phase 2) and 2020 (phase 3). The city's calculations attributed a phase‑1 county share of roughly $2.1 million for city projects and about $3.3 million for state (ODOT) projects on the Highway 213 corridor; staff recommended the county deposit its phase‑1 share prior to permits for phase‑1 development. "By applying these shares to the estimated cost of these improvements, city staff has predicted the county's cost share in order to what they should contribute," staff said in its presentation.

County position and negotiation: Clackamas County representatives said the county is committed to pay its share but requested flexibility on timing for the Highway 213 payment; county finance director Mark Gonzales said the county expected to begin construction this summer on phase‑1 work and asked that the Highway 213 payment be due at occupancy of the development services building rather than before building permits. After negotiation, the county agreed to a specific payment deadline: the money for state highway impacts is due by Nov. 1, 2007, or before certificate of occupancy for the relevant phase, whichever comes first. County staff said they will memorialize terms in an intergovernmental agreement or otherwise provide documented assurance of payment.

ODOT and cost‑estimate language: ODOT Region 1 requested clarifying language about which cost estimates will be used for future phases and recommended that the city and county use the most current project or TSP cost estimates when programs are advanced. City staff agreed to add ODOT's recommended language for phases beyond phase 1 and to re‑evaluate shares when later traffic studies are submitted.

Decision and vote: the commission moved to approve CP 05‑01 and CU 05‑03 with the negotiated three‑phase traffic mitigation conditions, including the county payment schedule and updated language reflecting ODOT's request; the motion passed unanimously.

Numbers and next steps: phase‑1 county contributions shown in staff materials included approximately $2.114 million toward city projects and $3.33 million toward state projects in the Highway 213 corridor; staff will require verified, updated traffic studies and cost estimates at future phase reviews and will revisit proportional shares before each later phase proceeds.