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Step 3: Existing Conditions

Existing Conditions Inventory

A thorough review and assessment of the existing transportation system is typically done early in the TSP planning process. The inventory identifies existing transportation facilities and services within the study area and serves as the basis evaluating transportation system conditions and for identifying transportation improvements. OAR 660-012-0020 requires that all applicable travel modes be included in the inventory and assessment process. It also identifies the requirements for cities and counties in non-metropolitan areas throughout the state. OAR 660-012-0150 identifies the requirements for cities and counties within metropolitan areas. As indicated below, certain travel modes that are required under -0020 are encouraged, but not required under -0150 (e.g., air, marine, pipeline, rail).

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