I'm really hopeful WRJ to Concord happens because it would both be the most direct route between Montreal/Burlington and Boston as well as hitting the most number of smaller cities along the way. Going through Maine or western Massachusetts would be slow and would also not serve communities which are presently poorly served by rail. Of all that this map proposes, I'm most hopeful that that line is built someday. Heck, build it in the I-89 median to avoid right-of-way problems - I know interstate median rail isn't ideal but if it gets it to happen, it's better than nothing.