Investors behind a $1.5-billion downtown Boston development project could find themselves on the hook for the cost of a sudden, unplanned three-day shutdown of two key subway tunnels.
The Massachusetts Bay Transportation Authority (MBTA) on June 26 reopened the Orange-and-Green line tunnels underneath the massive government center garage, which is in the middle of a multi-year demolition and redevelopment project by HYM Investment Group.