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City of Bellevue, WA Transportation
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Multimodal Concurrency

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    Transportation Codes

    • Multimodal Concurrency
    • Transportation Infrastructure
    • Transportation Impact Analysis
    • Transportation Impact Fees
    • Subsurface Clearance Requirements (PDF)

    Multimodal Concurrency

    The new Multimodal Concurrency Code (BCC 14.10) was adopted by council in July 2022. On Sept. 16, 2022, the Multimodal Concurrency Code Implementation Guide was approved by the Transportation Director. This approval was followed by a 30-day transition period; the code went into effect on Oct. 17, 2022.

    Concurrency is a required component of the state's Growth Management Act. It requires that transportation improvements strategies to accommodate the impacts of development be made at the same time — or concurrent with— the development. 

    Prior to the implementation of the Multimodal Concurrency Code, concurrency in Bellevue was regulated by the Traffic Standards Code. The new concurrency system is based on system completeness and considers all travel modes. It uses Mobility Units (MUs) to determine if the supply of transportation system improvements is sufficient to meet the demand of MUs from development projects.

    When is concurrency required?

    A concurrency determination is required for all development projects that could create additional demand and need for transportation system improvements. This includes new construction, expansion, or a change in use for which a permit or approval is required.

    For more information on how Mobility Units are calculated, application of the new code to development projects; please read the Implementation Guide.

    • Multimodal Concurrency Implementation Guide
    • Concurrency Application form
    • Performance Management Areas map

    Contact

    Transportation Development Review 

    Telephone
    425-452-4236
    Email
    transportationdevrev@bellevuewa.gov

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    For alternate formats, interpreters, or reasonable modification requests please phone at least 48 hours in advance 425-452-6800 (voice) or email servicefirst@bellevuewa.gov. For complaints regarding modifications, contact the City of Bellevue ADA, Title VI, and Equal Opportunity Officer at ADATitleVI@bellevuewa.gov.

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