Once upon a time, the city of Boston was one big construction zone — awash in bulldozers, backhoes, and cranes. That would be the Big Dig. For all you newbies to Boston, that’s the mega-project that ...

Rare as hens’ teeth is the large government project completed not only well ahead of time, but, presumably because of that swiftness, well under budget. And not only completed — by all accounts, ...