Yeah that is brutal. most Thurs PM, Fri (after 2PM), Sat AM it is backed up from the Hooksett rest area up to I-393 in concord. Waze throws a ton of traffic up the back roads through Hooksett, Pembroke, Bow, and Concord. i avoid going up there to visit family on those days, just not worth the extra time it takes.
That project is going to be huge, and it is going to be a mess when it is in progress. good luck to all the Massholes heading north! lol