Old Saybrook.

84, 95, and 91 are all Mad Max hellscapes, but Rt 9 is actually a really easy drive. 45 minutes between West Hartford and Old Saybrook if she can time it to avoid rush hour in Middletown, 1 hour if she can't. From Old Saybrook you can drive to New Haven in about 35 minutes for a direct train, or take the train from Old Saybrook to New Haven then transfer. If your employer will pay for both legs of the train ticket, that's a big savings. Old Saybrook train station parking area even has pretty good pizza or chinese you can pick up on the way home, or excellent coffee & breakfast for the morning commute.