Whether it's high-speed rail or highway reconstruction, infrastructure projects in the U.S. are often associated with high price tags and lengthy timelines.

Perhaps no project captures this better than Boston's Central Artery Tunnel project, more commonly known as the Big Dig.

It's the nation's most expensive highway project. And it took more than two decades to plan and build.

Ian Coss, host of GBH News' "The Big Dig" joins us to discuss the lessons we can take away from projects like Boston's.

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