It’s taken 10 years and almost $4 billion, but at long last, light rail will run across Lake Washington.  

For people living near the new light rail, it’ll mean shorter commutes, and faster trips to the airport, sporting events, and public parks.

But its impact will extend beyond those conveniences for riders. Some say it could lead to an economic renaissance in the region, creating new jobs and housing opportunities. And there's precedent for making that claim. 

Today, we find out what a bridge in Scandinavia can tell us about our own future -- and whether the Crosslake Connection could bring this region the economic boost it needs.

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Booming is a production of KUOW in Seattle, a proud member of the NPR Network. Our editor is Carol Smith. Our producers are Lucy Soucek and Alec Cowan. Our hosts are Joshua McNichols and Monica Nickelsburg.