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Highway System Plan Non-Interstate Corridor Reports

The Highway System Plan Non-Interstate Corridor Segment Analysis Reports describe: characteristics, assets, usage, needs and strategies, and proposed solutions for congested non-interstate highway segments. These corridor segments are identified in the 2007-2026 Washington State Highway System Plan.

Reports have been categorized into regions of Washington State. Please see the reports below for further details. For technical details about the criteria used for determining congested corridors, please see HSP Non-Interstate Congested Corridors Criteria.

Items linked below are in Adobe Acrobat .pdf format, which require the free Adobe Acrobatâ„¢ Reader.

Olympic Region

Northwest Region

Southwest Region

Eastern Region

North Central Region

South Central Region