Document library Browse key project documents, including meeting materials, project FAQs, informational handouts and more. Click the plus sign to see all documents listed. SR 520 Program documents 2025: A Year in review for the SR 520 Program 2024: A year in review for the SR 520 Program 2023: A year in review for the SR 520 Program 2022: A year in review for the SR 520 Program 2021: A year in review for the SR 520 Program 2020: A year in review for the SR 520 Program Portage Bay Project monthly meeting materials October 2026 construction update on Youtube I PowerPoint presentation (PDF 6 MB) September 2026 construction update on Youtube I PowerPoint presentation (PDF 5 MB) August 2026 construction update on Youtube I PowerPoint presentation (PDF 8 MB) July 2026 construction update on Youtube I PowerPoint presentation (PDF 8 MB) June 2026 construction update on Youtube I PowerPoint presentation (PDF 7 MB) May 2026 construction update on Youtube I PowerPoint presentation (PDF 7 MB) Portage Bay Project documents Tort Claim Information for Property Owners (August 2026) Boyer to Delmar Landslide Materials – Memo (June 2026) Vibration FAQ (Summer 2026) Boyer Hillside and Roanoke Street utility work – Info packet (August 2025) W Montlake Pl E property acquisition FAQ (Summer 2025) Tree and Vegetation Removal FAQ (Fall 2025) Bill Dawson Trail FAQ (March 2025) Portage Bay Beaver Lodge – FAQ (August 2024) Kenmore Staging Site FAQ (June 2024) Neighborhood Q&A (November 2022) Montlake Project documents Montlake Project signage updates webpage (2026) Montlake Project signage: Community engagement report (PDF 2.4MB) Montlake Project’s Community Construction Management Plan (CCMP) Montlake Project’s Tree and Vegetation Management and Protection Plan (TVMPP) Montlake Project’s MPPCNV application and Montlake Project’s 2022 Annual Report. Montlake Project Neighborhood Traffic Management Plan (NTMP) Montlake Project’s Vibration Management Plan I-5 Express Lanes Connection documents I-5 Connection Project’s Community Construction Management Plan (CCMP) I-5 Connection Project’s Tree and Vegetation Management and Protection Plan (TVMPP)
