Sound Transit's regional network of express buses, commuter rail, light rail and transit facilities connects communities in King, Pierce and Snohomish counties.

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<< Previous  Next >> Return to Main Gallery I-90 Two Way Transit and HOV Operations - project photos This photo shows an example of "soldier pile" wall. Soldier piles are steel H sections spaced about four-to-five apart. As the excavation proceeds, horizontal timbers are inserted behind or between the soldier piles. This photo was taken May 17, 2007. << Previous  Next >> Return to Main Gallery