Green Line extension given cautious approval

Transportation overseers gave a unanimous, but provisional, go-ahead for scaled-down Green Line Extension project on Monday without yet fully committing the state to the $2.3 billion endeavor. "There's a difference between giving it the green light and signing on the bottom line," Transportation Secretary Stephanie Pollack noted ahead of the vote.

Transportation overseers gave a unanimous, but provisional, go-ahead for scaled-down Green Line Extension project on Monday without yet fully committing the state to the $2.3 billion endeavor. "There's a difference between giving it the green light and signing on the bottom line," Transportation Secretary Stephanie Pollack noted ahead of the vote.…