Testing causes damage to Seattle SR 99 tunnel building

2,930 views · Published 1 September 2018 · 1:29 · Indexed 26 September 2026

Channel: KING 5 Seattle · 2018 · People & Blogs

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A test of the Highway 99 tunnel's ventilation system caused damage to an operations building Thursday. WSDOT said inspectors found no structural damage.  KING 5's Chris Ingalls reports.

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