Originally Posted by
Cloudship
Maybe it would help if we knew what it was like before, and why a cloverleaf didn't work.
Too much space most likely. The cloverleaf is out of favor most places; you'll be very happy once they replace most of that terrible cloverleaf interchange that MA 128/I-95 has with I-93 in Woburn with a few stack ramps and possibly below ground ramps as well.