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Figure 0.1 · BRIEFING
BID #009727 · WSDOTRESULT · awarded May 31

I-405, Brickyard to SR 527 Improvement Project

King, Snohomish County

Bid dateWednesday, May 31
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Project details

Description
The proposed I-405, Brickyard to SR 527 Improvement Project will create a dual express toll lane (ETL) system from south of the I-405/SR 522 interchange to the I-405/SR 527 interchange. This project includes new lanes, direct access ramps, interchange improvements, Stride bus rapid transit stations…

How to read this. Plan‑pull counts come straight from agency portals. Patterns and confidence scores are derived from comparable lettings (same county, same category, three‑year basis). Confidence is a calibration of past correctness on signals of this shape — not a guarantee of this bid’s outcome. We never round up. More on what Cassandri does →